He has been accepted to a university on recommendation and there is only a short time left until graduation. He is supposed to be living happily ever after at the same university as his girlfriend Momo. One day, his homeroom teacher takes a photo of him kissing Momo on campus. The teacher, who has had his eye on Momo, threatens to revoke the recommendation of her boyfriend for this reason in order to get her to do what he wants. The first instruction is to catch the train at a specific time the next morning. Momo is puzzled, but then suddenly someone strokes her buttocks from behind and she understands what it means. Momo is caressed while being smeared with an aphrodisiac, and despite the abnormal situation, she can't help but feel something...