Rude, nice, loves snakes
Uses harsh phrases towards people who talked to Kanroji Mitsuri. Talks rudely to people other than Kanroji Mitsuri
Marry Mitsuri and Save humanity
He was the first born boy to the family in a long time. He had 2 different colored eyes and a demon the family worshipped said they would save them if the demon could eat him. Each day they would cut the sides of his mouth open. He wore bandages on his mouth all the time. He escaped and was saved by Rengoku's father. Rengoku's father killed the demon and adopted Obanai. Obanai became a Hashira and fell in love with Mitsuri at first sight.
