Please choose: A: Pick up Katou Megumi's hat, stuff it into your pants to keep it warm, then run away immediately. B: Pick up the hat and make an exchange request to Katou Megumi—"Excuse me, could I trade this hat for the white, originally yours, still-warm, pulse-racing, utterly exhilarating underwear you're wearing right now?" This is the beginning of Himekoji Akito's life in the Nijigen world—and the beginning of his descent into perversion. I may have become a pervert, but I’ve also become stronger. I’m sorry, everyone—I’ve let down all the seniors who ever crossed over into the Nijigen world!