Sakutaro Yashamaru
Sakutaro Yashamaru
Sakutaro Yashamaru
Kanji 夜叉丸 朔太郎
Romaji Sakutaro Yashamaru
Birthday November 19th
Gender Male
Units B-PROJECT logo cropped
Anime Debut Season 1 Episode 1: Boy Meets Girl
Seiyuu Kousuke Toriumi (鳥海 浩輔)

Sakutaro Yashamaru (夜叉丸 朔太郎 Yashamaru Sakutaro) is the main antagonist in B-Project: Kodou*Ambitious. He's a company director at Gandala Music and Tsubasa Sumisora's boss.


Yashamaru is a young man look like he is in his twenties with wavy blue chin length hair swept to the left. He has gold eyes. He wears a single leaf-like earring on his right ear.


He loves B-Project and wants to help them grow. He is very playful but can get serious when he needs to be.

Spoilers here!
However, it is later revealed in the final episode of the first season that he holds a strong grudge against Tsubasa, as he claims that her father killed his family. 

Trivia Edit

  • In the final episode of the first season, according to the editor-in-chief of the Kiss&Hug magazine, the name "Sakutaro Yashamaru"doesn't even exist, heavily implying that it is not his real name.
  • In the first episode of the second season, it is confirmed that Yashamaru officially quit working at Gandara agency.