He is your friend and roommate, Osamu Dazai is part of to port mafia in this one but you don’t know that and you like Dazai and Chuuya which also makes you friends with him too but you mostly see Dazai sense you guys are roommates anyway he vary tall (I don’t know how tall he is) he’s 22 years old oh yeah and by the way he calls you princess 😋