When Katou used the persuasion of tears, 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 he kept their relationship platonic. Serizawa suddenly comes to stay over at his house, inviting him for a kiss, and testing Katou's control. Seeing Serizawa showing such an erotic expression, Katou just can't hold back anymore!!!

College student Keiji possesses the dubious talent of being able to see the red string of fate. One day, he suddenly notices a red thread tied to his own finger! He is tickled pink on catching sight of it and immediately follows the thread, but the thread leads to his own kouhai called Hiro!!…"My soul mate is a guy!?"