Tsutomu Senkawa

Tsutomu Senkawa is the deuteragonist of Birdy the Mighty. An average high schooler, Tsutomu ran into Birdy Cephon during one of her missions, she confused him for the criminal she was chasing and killed him as a result, his mind having been transplanted into Birdy's head in order to save his life, both of them have to learn to live with each other and respect each other's occupations while trying to keep their secret hidden from everyone in Tsutomu's life.