“When I was a student, I went to a happening bar with my boyfriend at the time on a drunken whim…” Tamaki Umino, 30 years old. Tamaki-san, a newlywed who is about to enter her second year of marriage. Of course, her relationship with her husband is also good, and they still love each other once a week. However, it seems she has a secret that she can't tell her beloved husband… “At first, I didn't think I could do something like that, but I got carried away by the atmosphere and ended up having a gangbang while my boyfriend watched…” Thanks to her abnormal sexual experience in her student days, she awakened to a non-daily sex with a sense of transgression. There's no way such a person with distorted pleasure desires can endure a peaceful married life… Please see all of her new immoral experiences!!