Rin goes to the gym for beauty. However, her husband shows no interest in his wife's efforts, and they lead a dull married life. Rin has developed a faint affection for the trainer who kindly listens to even her complaints about her husband... One day, she is invited to an apology dinner because a trainee caused trouble. On the day of the dinner, she eagerly heads to the restaurant, only to find the bumbling young trainee waiting there. After he pleads with her, she agrees to do H just once, but this young man is not normal!!
