This article is about a/an ally in Kamen Rider Blade.
Trial B
Yoshito Hirose
Trial B
Gender: Male
Series: Kamen Rider Blade
Ally Type: Trial
Homeworld: Earth
First Appearance: The 53rd Being
Last Appearance: Parting With the Past
Number of Episode
10 (Blade)
Full list of appearances
Actor: Jyunichi Haruta
Trial B

Trial B is an Electric-Type Undead disguised as Shiori's father, Yoshito Hirose. Originally, his program was to protect Shiori by her father because he was dying. Before he died, he transferred all his memories to the Trial. He is reprogrammed by Hiroshi Tennoji to continue to monitor the fixed Undead battle and remove potential threats. He dies saving Shiori from Trial G after remembering his original programming.


  • Height: 218 cm
  • Weight: 112 kg

Behind the Scene

Trial B and Yoshito Hirose was played by Jyunichi Haruta (春田 純一 Haruta Jun'ichi),who is well known for his role as Kanpei KurodaIcon-crosswiki from Dai Sentai Goggle VIcon-crosswiki and Ryuu HoshikawaIcon-crosswiki in Kagaku Sentai DynamanIcon-crosswiki.


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