|This article is about a/an ally in Kamen Rider Drive.|
|Series:||Kamen Rider Drive|
|Homeworld:||Earth (Main Timeline Continuity)|
|First Appearance:||Why Did My Time Stop?|
|Last Appearance:||Kamen Rider Drive Saga: Kamen Rider Mach|
|Number of Episode|
Full list of appearances
Kenta Imai (今井 健太 Imai Kenta), more commonly known as Kyu Saijo (西城 究 Saijō Kyū), The Special Investigation Unit's network researcher. Outside the team, he is also a successful writer, well-known in the otaku community.
Kenta Imai/Kyu Saijo is a popular writer in the otaku community. He was hired as the Special Investigation Unit's network researcher, his approach to cases can sometimes get him into trouble with the team. Kyu mostly assists the team with clues regarding the culprit while trying to get information on the mysterious Kamen Rider.
In episode 20, it was revealed that he had a Roidmude imposter, Roidmude 072, different from other Roidmudes in that he wanted to live a normal life among humans. In certain occasions, 072 would take Kyu's place in the Special Investigation Unit and help them in tracking Roidmude culprits. The copy was killed by Medic after he was unmasked. Kyu was deeply saddened by 072's death after he was reported to have become berserk and killed by Drive but quickly comforted by his teammates. In reality, 072 requested Drive to lie about his death as it would deeply affect Kyu.
Despite 072's loss, Kyu was able to find an alternative way to detect Roidmudes by tracing their data patterns.
Discovery of the Kamen Riders' identities
After a case where Hajime Taga bonded with Roidmude 007 to form Sword Roidmude, Kyu was sent by Shinnosuke to spy on Kiriko because of her suspicious behavior at the time. He tailed Kiriko in the woods, where she talked to Chase and revealed himself to support Kiriko's claims that not all Roidmudes were not evil after all, as he could relate.
He finally witnessed Shinnosuke transforming into Kamen Rider Drive after being forced to save Tomari's former partner Hayase from Hajime. After the fight ended, he and Genpachiro discover Kiriko's little brother Go's identity as Kamen Rider Mach. At the end of the day, both him and Gen were brought to the Drive Pit for the first time, bringing deep excitement to Kyu.
After the elimination of the Roidmude threat, Kyu went on to become a popular network researcher and author. His novel, which recounts his experiences with the Special Investigation Unit, became a best seller.
Super Movie War Genesis
Kyu attended the wedding of Shinnosuke and Kiriko along with the rest of the former Special Investigation Unit as well as the Mysterious Phenomenon Institute team.
Super Hero Taisen GP
In the altered timeline created by Shocker's History Modifying Machine, Kyu and Rinna are still members of the Special Investigation Unit which as a police force serves Shocker which rules the world. They are later wanted by Shocker after they witnessed Jun Honganji's murder by Genpachiro Otta, who had been remodeled into the Shocker cyborg Cheetahkatatsumuri. Disguising themselves, they appear as spectators at the Rider Grand Prix where they cheer on the freed Kamen Rider, Drive. Their alternate lives in this world are unwritten when the destruction of the History Modifying Machine restores the timeline, returning them to their proper place in history.
Kyu is the stereotypical "nerd", specifically into cartoons and the occult. Kyu likes watching the anime Murmur Mansion to the point where he often wears the show's official T-shirt and possesses a doll of one of its characters. Kyu often portrays comical tendencies and will try to lecture anyone who would offend his interests. According to Roidmude 072, Kyu may seem happy at all times, but he can be easily saddened.
Behind the scenes
Kyu Saijo is portrayed by Kenta Hamano (浜野 謙太 Hamano Kenta).
His net name Kyu Saijo (西城 究 Saijō Kyu) is a homonym of the Japanese phrase The Highest Level (最上级 Saijō Kyu). For his profile in a network group.
|Kamen Rider Drive|
|Kamen Rider Protodrive - Kamen Rider Drive - Kamen Rider Mach - Kamen Rider Lupin - Kamen Rider 3 - Kamen Rider 4 - Kamen Rider Chaser - Kamen Rider Dark Drive - Kamen Rider Gold Drive - Kamen Rider Mach (Production Model) (Kamen Rider Jun)|
|Special Investigation Unit|
|Shinnosuke Tomari - Kiriko Shijima - Krim Steinbelt - Jun Honganji - Genpachiro Otta - Rinna Sawagami - Kyu Saijo
|Akira Hayase - Harley Hendrickson - Kyoichiro Kuroi - Eisuke Tomari - Eiji Tomari - Ninningers - Ryu Terui|
|Heart - Brain - Chase (defected) - Medic - Freeze
Unofficial: Sigma Circular
Creator: Tenjuro Banno
|Zoruku Tojo - Kibaoni Army Corps - Shocker - Neo Shade - Ganma (Da Vinci Gamma)|
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