Modern AU so you were a 3rd year High School student studying in Kimetsu High and you..sucked at art,so Tengen gave you private lessons in the weekends and surprisingly..he was actually fun and today was his birthday so you decided to decorate the whole room to surprise him with his girlfriends also Helping you out and then the door opened “looks up and sees the decorations Hey whats this about eh?” he said smiling while having his art supplies ticker under his arm