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This article is about a/an rider in Kamen Rider Build.
Sento Kiryu
SentoKiryu
Kamen Rider Build
Gender: Male
Series: Kamen Rider Build
Motif: Animals, Inanimate Objects, Vehicles, Science, Chemistry
Rider Type: Protagonist
Hero
Affiliation: Nascita
Touto Institute of Advanced Matter Physics
Homeworld: Earth
First Appearance: The Last Smile[1]
Last Appearance: TBA
Number of Episode
Appearances:
1 (Ex-Aid)
TBA (Build)
TBA (Movies)
TBA (Specials)
Full list of appearances
Actor: Atsuhiro Inukai
Kamen Rider Build
BuildProfile

"Now, shall we begin the experiment?"
―Build's catchphrase before transforming[src]

"Build Up!"
―Build's call whenever he changes forms[src]

"The Law of Victory is set."
―Build's catchphrase after transforming[src]

"This is the worst..."
―Sento's catchphrase whenever things gone wrong[src]

"Best Match? Excellent!"
―Build upon discovering a Best Match[src]

Sento Kiryu (桐生 戦兎 Kiryū Sento)[2] is a genius theoretical physicist who experiments with Full Bottles to further enhance his abilities as Kamen Rider Build (仮面ライダービルド Kamen Raidā Birudo) to fight against the evil Smash organisms[3].

History

Little is known about Sento as he has no memory of his past, with the exception of a single memory where he was being experimented on by some scientists using gas masks lead by a mysterious bat-like man.[2]

Somehow Sento escaped, and was found outside the café Nascita by its owner Soichi Isurugi. Isurugi then took Sento into his care, hiding him in the secret basement laboratory inside Nascita. At some point with his genius intellect intact, Sento created the Build Driver and purified Full Bottles, which he used to become Kamen Rider Build. With his new powers, Sento began fighting the Smash, hoping to find answers to his past.

Meeting Ryuga

After about a year of fighting as Build, Sento had gained some notoriety as the Kamen Rider. However, Sento's search was left at a standstill, as the Smash had no memories of their own experiments upon returning to human form. Meanwhile, Soichi, growing impatient with Sento's freeloading, directed him to a mid-level job at Touto Institute of Advanced Matter Physics.

Sento's first lead came in the form of Ryuga Banjyou, an ex-fighter and wanted fugitive. Alerted by Ryuga's Smash energy readings, Sento followed and eventually apprehended him. Much to his shock, Ryuga had just escaped from the labs where Sento had been experimented on, and had all his memories intact. The two were interrupted by Strong Smash, who attempted taking Ryuga away before Sento defeated it as Build. The Touto government quickly arrived and attempted to take Ryuga back into custody. Believing Ryuga's claim that he had been framed, Build helped Ryuga escape from the government, making Build a fugitive as well.That One with the Best Match

Burn Smash Incident and Meeting Night Rouge

Sento hides Ryuga in the secret lab, with Soichi scolding Sento for committing a felony. Sento explained that Ryuga was the 'best match' to his memories as they are both experimented by the same scientist group. On top of that, with exception of the location of the underground lab, Ryuga still had his memories intact. Sento deduced that Ryuga might lead him to the bat man and starts questioning him, but was put to a pause due to a Smash alert (a false trail to lure Build out).

Sento returned to discover Ryuga escaped, later discovering Ryuga's fiancé, Kasumi to have also been abducted by the scientists as well. Ryuga choked him into unconsciousness from getting him involved, but managed to catch up and was too late seeing that Kasumi was already transformed into Burn Smash. Then Night Rogue appeared, where Sento fought to demand answers for his experimentation, but responded that he cared less about every human subject his affiliation experimented. Night Rogue disappeared after delivering the bad news: Kasumi's body was too weak to be restored, and removing her Smash essence would be fatal. Realizing that Kasumi cannot be saved despite Ryuga's pleas, Sento calculated the only way to end her suffering by separating her consciousness long enough for her and Ryuga to say their goodbyes. Ryuga broke down with grief with nothing left to fight for until Sento reminded him Kasumi's life will be for nothing if he gave up and surrender. Sento returned to the lab where Ryuga followed thanked him for the latter, and deciding to cooperate in discovering the truth behind the scientists.

The Innocent Runaway

Other Appearances

Seeking a sample of Ex-Aid's essence, Build mistakenly intercepted Kamen Rider Genm while he was fighting through the Bugster Virus hordes of Gamedeus Cronus. Switching to the GorillaMond Form to engage him, only after eliminating one of Genm's lives did Build realize that he was not Ex-Aid and promptly took his leave after identifying himself to Dan. The Last Smile Inspired by this encounter, Dan created a Rider Gashat based on Build, the latest in his collection of those of the Heisei Riders, Kamen Rider Ex-Aid "Tricks": Kamen Rider Genm which Emu Hojo snatched from his hand and activate it. Endless Game

Personality

"You know, in spite of how it may seem, I'm actually a pacifist."
―Build to Genm[src]
Sento is a highly intelligent and sarcastic young man: He likes to praise himself for his works, and has a somewhat child-like curiosity when learning new things, such as when he first sees the Pandora Box. Additionally, when he gets excited, a part of his hair sticks up. On the other hand, Sento is generally composed and calm while fighting.

But when Sento is not composed, he immediately rushes to settle things as seen when he finally met Night Rogue, even telling that he didn't care to know his name when Night Rogue introduced himself, and attacking Night Rogue carelessly.

Despite his eccentricity, Sento is a honorable hero. During his job as a Kamen Rider, he always uphold heroism without expecting nothing in return.

Sento has a couple of catchphrases. Before he transforms, he says "Now, shall we begin the experiment?" (さあ、実験を始めようか? Sā, jikken o hajimeyou ka?). After transforming, he says "The laws of victory have been decided." (勝利の法則は決まった Shōri no hōsoku wa kimatta).

Powers and Abilities

  • Genius-Level Intellect: Sento's most defining trait is his intelligence. He has an advanced knowledge of physics, and developed almost all of Build's accessories on his own.
    • Genius Physicist: Sento's has an advanced knowledge of physics, having finished a difficult physics test with perfect results. This proves a significant asset in battle, which Sento incorporates into his fighting technique.
    • Genius Engineer: Sento has built the majority, if not all, of Build's accessories on his own.
  • Full Bottle Augmentation: By using a Full Bottle in his hand without transforming, Sento can gain abilities based on said Full Bottle's traits:
    • Rabbit: Allows Sento to gain fast reflexes. First used to defeat Ryuga Banjyou in a one-on-one fight.

Forms

Sento sets two different Full Bottles into the Build Driver and turns the crank to transform into Kamen Rider Build. Kamen Rider Build, like Kamen Riders Double and OOO before him, can assume a variety of different forms, called Trial Forms (トライアルフォーム Toraiaru Fōmu), using different combinations of Full Bottles. However, each one has a Best Match (ベストマッチ Besuto Matchi) with another Full Bottle that creates an especially powerful form. Best Matches usually have unique names in comparison to other mismatched forms, and the caps of Full Bottles indicate what Full Bottle is its Best Match.

Build initiates a finishing attack by turning the Build Driver's Vortech Crank again. The finisher of all Trial Forms is called the Vortech Attack (ボルテックアタック Borutekku Atakku), while the finisher of all Best Matches is called the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).

RabbitTank Form
KRBu-Buildrabbittank

RabbitTank Form

"Rabbit! Tank! Best Match! Are you Ready? Hagane no Moonsault! RabbitTank! Yeahhh!"
―RabbitTank's transformation announcement[src]

Rider Statistics

  • Rider Height: 196.0 cm
  • Rider Weight: 99.0 kg

Ability Perimeters:

  • Punching Power: 9.9 tons (right arm)/17.0 tons (left arm)
  • Kicking Power: 23.7 tons (right leg)/17.8 tons (left leg)
  • Maximum Jump Height: 55.0 m
  • Maximum Running Speed: 100 m. per 2.9 sec.

RabbitTank Form (ラビットタンクフォーム Rabitto Tanku Fōmu) is Build's red and blue primary and default Best Match form form accessed from the Rabbit and Tank Full Bottles, hence known as the Moonsault of Steel (鋼のムーンサルト Hagane no Mūnsaruto). It is themed after a rabbit and a tank.

RabbitTank is considered to be the most well balanced; having a good amount of power and agility in all of his Ability Perimeters, thus making it Build's default form, despite it being capable of initiating transformation with any set of Build's Full Bottles. Compared to previous protagonist Riders' default forms, this form is significantly stronger, as its punching and kicking powers are averagely double theirs.

This form's weapon is the Drill Crusher.

As a Best Match, this form has two finishers:

  • Build Driver finisher:
    • Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu): Build dives underground to send a white energy chart flying up to the surface with the dotted line securing the enemy before leaping back up, and delivering a kick whilst riding the chart's line.
  • Drill Crusher finisher:
    • Vortech Break (ボルテックブレイク Borutekku Bureiku):
      • Blade: Build channels the energy of a Full Bottle in his Drill Crusher and performs a powerful slash.
        • Rabbit: Build performs a red energy slash.
      • Gun: Build channels the energy of a Full Bottle in his Drill Crusher and performs a powerful blast.
        • Harinezumi: Build shoots white energy spikes at the enemy.

Appearances: Ex-Aid Episode 44, True Ending, Build Episodes 1-2, Transformation Course (Kamen Rider Build), Build 3, 5

RabbitSoujiki Form
KRBu-Buildrabbitsoujiki

RabbitSoujiki Form

"Rabbit! Soujiki! Are you Ready?"
―RabbitSoujiki's transformation announcement[src]

Rider Statistics

  • Rider Height: 196.0 cm
  • Rider Weight: 93.7 kg

Ability Perimeters:

  • Punching Power: 7.9t (right arm)/5.7t (left arm)
  • Kicking Power: 9.6t (right leg)/14.2t (left leg)
  • Maximum Jump Height: 38.4m
  • Maximum Running Speed: 100m. per 3.9 sec

RabbitSoujiki Form (ラビットソウジキフォーム Rabitto Sōjiki Fōmu) is Build's red and turquoise Trial Form accessed through the Rabbit and Soujiki Full Bottles, themed after a rabbit and a vacuum cleaner.

In this Trial Form, Build is armed with the Long Range Cleaner (ロングレンジクリーナー Rongu Renji Kurīnā) on his left arm and the Trash Converter (トラッシュコンバーター Torasshu Konbātā) on his left shoulder.

This Trial Form gives Build the ability to absorb any elemental attacks using the Long Range Cleaner, and safely disarm the accumulated attack using the Trash Converter. However, this comes at the cost of all of his Ability Perimeters being decreased from RabbitTank.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes 2

RabbitGatling Form
KRBu-Buildrabbitgatling

RabbitGatling Form

"Rabbit! Gatling! Are you Ready?"
―RabbitGatling's transformation announcement[src]

Rider Statistics

  • Rider Height: 196.0 cm
  • Rider Weight: 95.0 kg

Ability Perimeters:

  • Punching Power: 7.9 t (right arm)/8.0 t (left arm)
  • Kicking Power: 10.8 t (right leg)/14.2 t (left leg)
  • Maximum Jump Height: 37.7m
  • Maximum Running Speed: 100m. per 6.2 sec

RabbitGatling Form (ラビットガトリングフォーム Rabitto Gatoringu Fōmu) is Build's red and gray Trial Form accessed through the Rabbit and Gatling Full Bottles, themed after a rabbit and a gatling gun.

In this Trial Form, Build is armed with the Hawk Gatlinger and Drill Crusher.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes 4

RabbitDiamond Form
RabbitDiamond

RabbitDiamond Form

"Rabbit! Diamond! Are you Ready?"
―RabbitDiamond's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

RabbitDiamond Form (ラビットダイヤモンドフォーム Rabitto Daiyamondo Fōmu) is Build's red and cyan Trial Form accessed through the Rabbit and Diamond Full Bottles, themed after a rabbit and a diamond.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA


In any form that uses the Gorilla Full Bottle, Build is armed with the Muscle Glove (マッスルグローブ Massuru Gurōbu) on his right arm for enhanced punching.

GorillaMond Form
KRBu-Buildgorillamond

GorillaMond Form

"Gorilla! Diamond! Best Match! Are you Ready? Kagayaki no Destroyer! GorillaMond! Yeahhh!"
―GorillaMond's transformation announcement[src]

Rider Statistics

  • Rider Height: 189.0 cm
  • Rider Weight: 112.0 kg

Ability Perimeters:

  • Punching Power: 25.9 tons (right arm)/15.8 tons (left arm)
  • Kicking Power: 17.3 tons (right leg)/16.5 tons (left leg)
  • Maximum Jump Height: 32.5 m
  • Maximum Running Speed: 100 m. per 8.4 sec.

GorillaMond Form (ゴリラモンドフォーム Goriramondo Fōmu) is Build's brown and cyan second Best Match form accessed from the Gorilla and Diamond Full Bottles, hence known as the Shining Destroyer (輝きのデストロヤー Kagayaki no Desutoroyā). It is themed after a gorilla and a diamond.

GorillaMond shows an increase in power, as the Punching Power of Build is significantly higher than in RabbitTank, albeit with a slightly decreased amount in it's left arm, but it lacks Kicking Power and agility compared to RabbitTank. His left arm can convert inorganic objects, or even weakened enemies, into diamonds.

As a Best Match, this form's finisher is the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu): This finisher has two variations:

  • Build creates a gust full of diamonds and uses the Muscle Glove to punch them at the enemy. The diamond then creates a tornado that causes a human to separate from his/her kaijin form, then Build punches the kaijin inside the tornadoes, thereby defeating the kaijin.
  • Build stops an enemy attack with his left hand and changes it into a diamond shield, hen he uses the Muscle Glove to break the shield into smaller diamonds that attack the enemy.

Appearances: Ex-Aid Episode 44, True Ending, Build Episodes 2, Transformation Course (Kamen Rider Build), Build 3-4

GorillaSoujiki Form
KRBu-Buildgorillasoujiki

GorillaSoujiki Form

"Gorilla! Soujiki! Are you Ready?"
―GorillaSoujiki's transformation announcement[src]

Rider Statistics

  • Rider Height: 189.0 cm
  • Rider Weight: 111.7 kg

Ability Perimeters:

  • Punching Power: 20.7 tons (right arm)/5.7 tons (left arm)
  • Kicking Power: 9.6 tons (right leg)/13.2 tons (left leg)
  • Maximum Jump Height: 26.5 m
  • Maximum Running Speed: 100 m. per 6.2 sec.

GorillaSoujiki Form (ゴリラソウジキフォーム Gorira Sōjiki Fōmu) is Build's brown and turquoise Trial Form accessed through the Gorilla and Soujiki Full Bottles, themed after a gorilla and a vacuum cleaner.

In this Trial Form, Build is armed with the Long Range Cleaner (ロングレンジクリーナー Rongu Renji Kurīnā) on his left arm and the Trash Converter (トラッシュコンバーター Torasshu Konbātā) on his left shoulder.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes 3

GorillaTank Form
GorillaTank

GorillaTank Form

"Gorilla! Tank! Are you Ready?"
―GorillaTank's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:
  • Metal Branding:

GorillaTank Form (ゴリラタンクフォーム Gorira Tanku Fōmu), is Build's brown and blue Trial Form accessed through the Gorilla and Tank Full Bottles, themed after a gorilla and a tank.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA

GorillaGatling Form
GorillaGatling

GorillaGatling Form

"Gorilla! Gatling! Are you Ready?"
―GorillaGatling's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:
  • Metal Branding:

GorillaGatling Form (ゴリラガトリングフォーム Gorira Gatoringu Fōmu), is Build's brown and grey Trial Form accessed through the Gorilla and Gatling Full Bottles, themed after a gorilla and a gatling gun.

In this Trial Form, Build is armed with the Hawk Gatlinger.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA


HawkGatling Form
KRBu-Buildhawkgatling

HawkGatling Form

"Taka! Gatling! Best Match! Are you Ready? Tenkuu no Abarenbou! HawkGatling! Yeahhh!"
―HawkGatling's transformation announcement[src]

Rider Statistics

  • Rider Height: 193.0 cm
  • Rider Weight: 107.0 kg

Ability Perimeters:

  • Punching Power: 9.7 tons (right arm)/10.0 tons (left arm)
  • Kicking Power: 13.5 tons (right leg)/14.2 tons (left leg)
  • Maximum Jump Height: 41.7 m
  • Maximum Running Speed: 100 m. per 5.8 sec.

HawkGatling Form (ホークギャトリングフォーム Hōku Gatoringu Fōmu) is Build's orange and gray Best Match form accessed with the Taka and Gatling Full Bottles, hence known as the Rampage of the Skies (天空の暴れん坊 Tenkū no Abarenbō). It is themed after a hawk and a gatling gun.

While this Best Match has low stats compared to RabbitTank, this is made up by arming Build with the Hawk Gatlinger and the Solstall Wings (ソレスタルウィング Soresutaru Wingu) on his back which grant him flight capabilities.

As a Best Match, this form has two finishers:

  • Build Driver finisher:
    • Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).
  • Hawk Gatlinger finisher:
    • Full Bullet (フルブレット Furu Buretto): Build spins the gun's chamber ten times causing the gun to surround itself and its wielder with a white energy spherical graph that traps all enemies in mid-air before firing upon them all.

Appearances: Build Episodes 3-5

TakaTank Form
TakaTank

TakaTank Form

"Taka! Tank! Are you Ready?"
―TakaTank's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

TakaTank Form (タカタンクフォーム Taka Tanku Fōmu) is Build's orange and blue Trial Form accessed with the Taka and Tank Full Bottles, themed after a hawk and a tank.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA

TakaDiamond Form
HawkDiamond

TakaDiamond Form

"Taka! Diamond! Are you Ready?"
―TakaDiamond's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

TakaDiamond Form (タカダイヤモンドフォーム Taka Daiyamondo Fōmu) is Build's orange and cyan Trial Form accessed with the Taka and Diamond Full Bottles, themed after a hawk and a diamond.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA

TakaSoujiki Form
TakaSoujiki

TakaSoujiki Form

"Taka! Soujiki! Are you Ready?"
―TakaSoujiki's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

TakaSoujiki Form (タカソウジキフォーム Taka Sōjiki Fōmu) is Build's orange and turquoise Trial Form accessed with the Taka and Soujiki Full Bottles, themed after a hawk and a vacuum cleaner.

In this Trial Form, Build is armed with the Long Range Cleaner (ロングレンジクリーナー Rongu Renji Kurīnā) on his left arm and the Trash Converter (トラッシュコンバーター Torasshu Konbātā) on his left shoulder.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA


NinninComic Form
Build NinjaComic

NinninComic Form

"Ninjya! Comic! Best Match! Are you Ready? Shinobi no Entertainer![4] NinninComic! Yeahhh!"
―NinninComic's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

NinninComic Form (ニンニンコミックフォーム Ninnin Komikku Fōmu) is Build's purple and yellow Best Match form accessed with the Ninjya and Comic Full Bottles, hence known as the Stealthy Entertainer (忍びのエンターテイナー Shinobi no Entāteinā). It is themed after a ninja and a comic book.

In this Best Match form, Build is armed with the 4 Koma Ninpogatana.

As a Best Match, this form's finisher is the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).

Appearances: Build Episodes 5


In any form that uses the Harinezumi Full Bottle, Build is armed with the Spine Knuckle (スパインナックル Supain Nakkuru) on his right arm, allowing him to clobber foes with spikes that extend outwards when used.

FireHedgehog Form
FireHedgehog

FireHedgehog Form

"Harinezumi! Shobousha! Best Match! Are you Ready? Rescue Kenzan![5] FireHedgehog! Yeahhh!"
―FireHedgehog's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

FireHedgehog Form (ファイヤヘッジホッグフォーム Faiya Hejjihoggu Fōmu) is Build's white and scarlet-colored Best Match form accessed from the Harinezumi and Shoubousha Full Bottles, hence known as the Rescue Kenzan (レスキュー剣山 Resukyū Kenzan). It is themed after a hedgehog and a fire engine.

As a Best Match, this form's finisher is the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).

Appearances: Build Episodes TBA

HarinezumiTank Form
KRBu-Buildharinezumitank

HarinezumiTank Form

"Harinezumi! Tank! Are you Ready?"
―HarinezumiTank's transformation announcement[src]

Rider Statistics

  • Rider Height: 194.0 cm
  • Rider Weight: 102.7 kg

Ability Perimeters:

  • Punching Power: 11.0 tons (right arm)/13.6 tons (left arm)
  • Kicking Power: 19.0 tons (right leg)/11.2 tons (left leg)
  • Maximum Jump Height: 28.4 m
  • Maximum Running Speed: 100 m. per 7.0 sec.

HarinezumiTank Form (ハリネズミタンクフォーム Harinezumi Tanku Fōmu) is Build's white and blue Trial Form accessed through the Harinezumi and Tank Full Bottles, themed after a hedgehog and a tank.

Compared to RabbitTank, this Trial Form has a stronger amount of Punching Power in it's right arm, while being weaker in the left. The rest of the Ability Perimeters are overall much worse in comparison.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes 1-2

HarinezumiDiamond Form
HarinezumiDiamond

HarinezumiDiamond Form

"Harinezumi! Diamond! Are you Ready?"
―HarinezumiDiamond's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

HarinezumiDiamond Form (ハリネズミダイヤモンドフォーム Harinezumi Daiyamondo Fōmu) is Build's white and cyan Trial Form accessed with the Harinezumi and Diamond Full Bottles, themed after a hedgehog and a diamond.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA

HarinezumiGatling Form
HarinezumiGatling

HarinezumiGatling Form

"Harinezumi! Gatling! Are you Ready?"
―HarinezumiGatling's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

HarinezumiGatling Form (ハリネズミガトリングフォーム Harinezumi Gatoringu Fōmu) is Build's white and grey Trial Form accessed with the Harinezumi and Gatling Full Bottles, themed after a hedgehog and a gatling gun.

In this Trial Form, Build is armed with the Hawk Gatlinger.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA

HarinezumiSoujiki Form
HarinezumiSoujiki

HarinezumiSoujiki Form

"Harinezumi! Soujiki! Are you Ready?"
―HarinezumiSoujiki's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

HarinezumiSoujiki Form (ハリネズミソウジキフォーム Harinezumi Sōjiki Fōmu) is Build's white and turquoise Trial Form accessed with the Harinezumi and Soujiki Full Bottles, themed after a hedgehog and a vacuum cleaner.

In this Trial Form, Build is armed with the Long Range Cleaner (ロングレンジクリーナー Rongu Renji Kurīnā) on his left arm and the Trash Converter (トラッシュコンバーター Torasshu Konbātā) on his left shoulder.

As a mismatched form, this form's finisher is the Vortech Attack (ボルテックアタック Borutekku Atakku).

Appearances: Build Episodes TBA


RocketPanda Form
Build Rocket Panda

RocketPanda Form

"Panda! Rocket! Best Match! Are you Ready? Buttobi Monotone![6] RocketPanda! Yeahhh!"
―RocketPanda's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

RocketPanda Form (ロケットパンダフォーム Roketto Panda Fōmu) is Build's silver and cerulean Best Match form accessed with the Rocket and Panda Full Bottles, hence known as the Flying Monotone (ぶっ飛びモノトーン Buttobi Monotōn). It is themed after a panda and a rocket.

As a Best Match, this form's finisher is the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).

Appearances: Build Episodes TBA


KaizokuRessha Form
Build PirateTrain

KaizokuRessha Form

"Kaizoku! Densha! Best Match! Are you Ready? Keikoku no Hangyakusha![7] KaizokuRessha! Yeahhh!"
―KaizokuRessha's transformation announcement[src]

Rider Statistics

  • Rider Height:
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Ability Perimeters:

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KaizokuRessha Form (海賊レッシャフォーム Kaizoku Ressha Fōmu, lit. PirateTrain Form) is Build's teal and green Best Match form accessed with the Kaizoku and Densha Full Bottles, hence known as the Valley Rebel (渓谷の反逆者 Keikoku no Hangyakusha). It is themed after a pirate and a train.

In this Best Match form, Build is armed with the Kaizoku Hassha.

As a Best Match, this form's finisher is the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).

Appearances: Build Episodes TBA


LionCleaner Form
Build Lion Cleaner Form

LionCleaner Form

"Lion! Soujiki! Best Match! Are you Ready? Tategami Cyclone! LionCleaner! Yeah!"
―LionCleaner's transformation announcement[src]

Rider Statistics

  • Rider Height:
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Ability Perimeters:

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LionCleaner Form (ライオンクリーナーフォーム Raion Kurīnā Fōmu) is Build's marigold and turquoise Best Match form accessed with the Lion and Soujiki Full Bottles, hence known as the Mane Cyclone (鬣サイクロン Tategami Saikuron). It is themed after a lion and a vacuum cleaner.

In this Best Match form, Build is armed with the Long Range Cleaner (ロングレンジクリーナー Rongu Renji Kurīnā) on his left arm and the Trash Converter (トラッシュコンバーター Torasshu Konbātā) on his left shoulder.

As a Best Match, this form's finisher is the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).

Appearances: Build Episodes TBA


KeyDragon Form
Build Key Dragon Form

KeyDragon Form

"Dragon! Lock! Best Match! Are you Ready? Fūin no Fantasy Star![8] KeyDragon! Yeahhh!"
―KeyDragon's transformation announcement[src]

Rider Statistics

  • Rider Height:
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Ability Perimeters:

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  • Kicking Power:
  • Maximum Jump Height:
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KeyDragon Form (キードラゴンフォーム Kī Doragon Fōmu) is Build's navy and gold Best Match form accessed with the Lock and Dragon Full Bottles, hence known as the Seal of Fantasy (封印のファンタジースター Fūin no Fantajīsutā, lit. Seal of Fantasista). It is themed after a lock and a dragon.

As a Best Match, this form's finisher is the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).

Appearances: Build Episodes TBA


OctopusLight Form
Build Octopus Light
"Octopus! Light! Best Match! Are you Ready? Inazuma Technician![9] OctopusLight! Yeahhh!"
―OctopusLight's transformation announcement[src]

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

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OctopusLight Form (オクトパスライトフォーム Okutopasu Raito Fōmu) is Build's magenta and light yellow Best Match form accessed with the Octopus and Light Full Bottles, hence known as the Lightning Technician (稲妻テクニシャン Inazuma Tekunishan). It is themed after an octopus and light.

As a Best Match, this form's finisher is the Vortech Finish (ボルテックフィニッシュ Borutekku Finisshu).

Appearances: Build Episodes TBA



RabbitTank Sparkling Form
Rabbit Tank Sparkling (Build)

RabbitTank Sparkling Form

Rider Statistics

  • Rider Height:
  • Rider Weight:

Ability Perimeters:

  • Punching Power:
  • Kicking Power:
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RabbitTank Sparkling Form (ラビットタンクスパークリングフォーム Rabitto Tanku Supākuringu Fōmu) is Build's carbonated soda upgrade form accessed with the Rabbit Tank Sparkling Full Bottle.

Appearances: Build Episodes TBA


Equipment

Devices

Weapons

  • Drill Crusher - Build's personal drill-like weapon.
  • Muscle Glove - Build's gorilla gauntlet in conjunction with any form that uses the Gorilla Full Bottle.
  • Solstall Wings - Build HawkGatling Form's hawk-like wings that grants him flying capabilities.
  • Hawk Gatlinger - Build's rifle-like weapon in conjunction with any form that uses the Gatling Full Bottle.
  • 4 Koma Ninpogatana - Build NinninComic Form's personal weapon.
  • Spine Knuckle - Build's spiked gauntlet in conjunction with any form that uses the Harinezumi Full Bottle.
  • Long Range Cleaner and Trash Converter - Build's vacuum cleaner-like weapons in conjunction with any form that uses the Soujiki Full Bottle.
  • Kaizoku Hassha - Build KaizokuRessha Form's personal weapon.

Vehicles

Rider Gashat

Kamen Rider Build Gashat

Rider Gashat

Kamen Rider Build Gashat (仮面ライダービルドガシャット Kamen Raidā Birudo Gashatto): Would presumably allow Kamen Rider Ex-Aid to transform into Build Gamer.

Relationships

  • Nascita coffee
    • Soichi Isurugi: For an unknown reason, Sento was helped by Soichi during their first encounter. Both were on good terms like best friend, until Sento discovered he may be connected to Faust.
    • Misora Isurugi: Sento always uses her for fertilizing Full Bottles, likely being introduced to her ability by Soichi when he suggested Sento become Kamen Rider Build. Although they usually bicker and prank each other, Sento cares about her greatly.
    • Ryuga Banjyou: Ryuga is titled as Sento's "best match" by Sento for helping him search for his memory and Night Rogue, as he's the only surviving experiment who retained his memory and escaped before entirely becoming a Smash. They are shown to constantly banter.
    • Sawa Takigawa: Sawa was saved by Build before he unknowingly revealed his identity and led her to his base. In exchange for her silence, she asks that Sento gives her an interview on the Kamen Rider. Sento agreed on the condition she not only kept his identity secret, but also aid him in solving the mystery of the Smash and his missing memories. Eventually, Sento finds Sawa a bit annoying, as she comments wildly when he is trying to battle.
  • Others:
    • Emu Hojo: It's unknown why Sento planned to attack Emu and take his essence.

Behind the Scenes

Portrayal

Sento Kiryu is portrayed by Atsuhiro Inukai (犬飼 貴丈 Inukai Atsuhiro).[2] As Kamen Rider Build, his suit actor is Seiji Takaiwa (高岩 成ニ Takaiwa Seiji) and Yuya Nawata (縄田 雄哉 Nawata Yuya) in his televised debut in the 44th episode of Kamen Rider Ex-Aid.

Rider No.

As the leading rider protagonist of Kamen Rider Build, Build is labelled Kamen Rider #34 (仮面ライダー34号 Kamen Raidā Sanjūyongō) and Heisei Rider #19 (平成ライダー19号 Heisei Raidā Jūkyūgō).

Etymology

The kanji used to spell his name, Sento (戦兎), is composed of the first kanji for tank (戦車 Sensha) and the kanji for rabbit ( To).

Notes

  • Many fans have noted that Build's gimmick is reminiscent of Kamen Rider Double as he is an asymmetrical Kamen Rider that fuses two powers in his belt to create a form and swaps between forms using binary input slots to place the main trinkets into the Driver. However, while Double's colors are split between the left and right halves with no base color, Build has a black base suit with each color split between one leg and side of his head and the opposite arm.
    • Like Double, his form names come from combining the two trinkets' names; however, unlike Double, not all names are taken directly. Ex: Diamond is shortened for GorillaMond, and FireHedgehog changes the names from Japanese to English and swaps the normal left/right ordering.
    • Sento Kiryu can also be a mix between Phillip and Shotaro in personality. Phillip's thirst of knowledge and Shotaro's humanity side.
    • Sento also the first since Double to simply use the term "Form" for his forms instead of a unique term.
    • Sento's Ninjya Full Bottle creates a half form that gives him a scarf, the first main protagonist Rider since Double to have that classic design element.
  • Sento is the first main rider to be the one who invented his own Driver.
    • He is also the first Rider Creator to be the protagonist since Takeshi Hongo and Hayato Ichimonji.
  • According to director Ryuta Tasaki, Build has the "highest IQ of all the Heisei Riders" as Build is a prodigy in physics.
    • Given the statement of being the smartest of just the Heisei Riders, he is seemingly only rivaled in intellect by Kamen Rider 1, who has an IQ of 600 and a major in biochemistry.
  • Sento is the first Kamen Rider with a rabbit motif.
  • Sento being an amnesiac protagonist with a mysterious past brings to mind Shouichi Tsugami of Agito and Tsukasa Kadoya of Decade.
  • Sento being a Rider who was experimented on brings to mind the Kamen Riders from the Showa Era, though this experimentation likely wasn't the reason he can become a Rider.
  • Notably, he is the first Kamen Rider since Agito to have certain parts of his body possess different amounts of power (save Ex-Aid Level 3's left fist attachment).
  • His Driver is also similar to that of Kamen Rider OOO, as there is a set number of collectible items required for a form, matches are the best, and most notable forms and the matches have special jingles, while mismatched forms only state the names of the collectibles.
  • The pneumatic tubes and assembly platform will not appear when Sento doesn't use a Best Match form.
    • One of the pneumatic tubes will go invisible if a part of the Best Match is already in use during the change into a Best Match from a Trial Form.
  • Sento is the first main Heisei Era Rider that has a different color for each eye in all his forms.

Appearances

References

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