Takumi

Takumi (逞生, Takumi), Ikoma's friend and fellow steam smith. Though he's shocked by Ikoma's rashness, he admires how Ikoma isn't afraid of anyone.

Personality
He is an ordinary kind of person, just follow the orders, does what the higher ups say and has no questions about it. However he has showed to be able to stand for the sake of his friends even against the belief of the many.

Powers and Abilities
Weapons engineer: He co-developed the piercing gun with Ikoma.

It is also mentioned that he participated in mutiple researches and experiments with Ikoma on the kabane and the kabane virus.