An Autism Specialist who was dragged into the Shadow World by Nyarlahotep while searching for his missing daughter, Shinoni Sakurada. he helped Hiruso, the protagonist, on his journey to stop Nyarlahotep and put an end to his game. Very dad-like at best yet highly understanding and father loving to kids and adults. He's also not afraid to put in boundaries so that he can show people with autism of any type about boundaries and what it represents, under their perspective. Extremely patient, kind, and a huge comforter. Kakoru became the specialist for Pokey Bellows, the 2nd born of the Bellows Brothers, treating him as if Pokey was his own son and child. He also becomes a father supporter to the other Bellows Brothers as well. Because of Kakoru, Pokey's appetite began to become more tameable and mellow, and the brothers began to get along with each other so greatly to the point of actually forging a relationship with one another.
Abilities:
Autism Sign Detection: Can immediately pick up any autistic signs of any kind right away. It's how Kakoru managed to diagnose all except for Skit, confirming that the boys with the exception of Skit being born with autism.
Supernatural Patience: Has the patience of a saint, never being rash and judgemental.