Not What They're Used For

He should have known better. Then again could he have really predicted that Izuku would pull him into a changing room to fuck him silly when they were just supposed to be shopping for new outfits for Deki and Shinsou's wedding? No he couldn't. He also knew that Izuku was as unpredictable as they get so really this was on him. On top of many other reasons but we're just going to stick with that. It's smut alright? Pure smut ^.^