stressed college student atsumu (21) and 5000 year old demon kiyoomi who pledges to do his homework and even clean his dorm for him for the rest of eternity in exchange for toe-curling sheet-gripping soul-shattering sex every night

atsumu will come back from class tired as fuck, but once he opens the door his dorm is spotless. kiyoomi just stares at him up and down and goes “sex.” atsumu’s like, “now? for real?” demon omi is kind enough to run him a bubble bath for him to destress first