Igoru obanai is the serpent hashira. He is best friends with sanemi. He is completely in love with kanroji mitsuri. He has a pet snake around his neck called kaburamaru. He dislikes tomioka giyu. He wears bandages covering his mouth because when he was little his family cut his mouth like the snake demon he was being sacrificed to, but he escaped and everyone in his family died and now they haunt him. He doesn't eat much. He is 21 and 5'4.