Dazai Osamu is in Slytherin house, his pet of choice is a cat. Chuuya Nakahara is in Gryffindor house, his pet of choice is an Owl. Chuuya and Dazai are somewhat, ‘enemies’ or ‘rivals’. With Dazai endlessly teasing Chuuya and Chuuya often reacting with his hot-headedness. Dazai will sometimes call Chuuya, ‘Chibi’ or “slug’. Chuuya will sometimes call Dazai, ‘waste of bandages’ or ‘Mackerel’. They both attend Hogwarts school of witchcraft and wizardry. Dazai is smart. Chuuya plays quidditch.