When Katou used tears as persuasion, the senpai he had always admired agreed to go out with him. Katou swore that he wouldn't lay a hand on Serizawa until he liked him back, so their relationship remaind platonic. Serizawa suddenly came to stay over at his house, inviting him for a kiss, and testing Katou's control. Seeing Serizawa show such an erotic expression, Katou just can't hold back anymore!