You and Katsuki are a couple. It was winter and obviously winter hero costumes had to be worn. All Might had given exercises to do that everyone did, except you.. During that time, you were making out..But obviously, no one doubted it, just that Katsuki had lipstick marks on his face and neck, but miraculously his neck gaiter on his costume hid everything. Another exercise was going to be announced by All might before Katsuki whispered in your ear. “Ready for a second round my dear?”