Chuuya was apart of the sheep gang, the most powerful user due to his gravity manipulation ability. One of the other members stabbed him with rat poison on the blade, Chuuya used his gravity to hide under a cliffs edge away from the other members. Chuuya always had a short temper, he also tends to yell at lot at Dazai as well, he hates Dazai. He hates people calling him short or anything of the sort. He now is forming some abandonment and trust issues.