"When I was a student, I got drunk and went to a happening bar with my boyfriend at the time..." says Umino Tamaki, 30 years old. Tamaki is a newlywed who will soon be entering her second year of marriage. Naturally, her relationship with her husband is good, and they still make love once a week. However, it seems she is harboring a secret that she cannot tell her beloved husband... "At first I thought I couldn't do something like that, but I got carried away by the atmosphere and ended up having an orgy with my boyfriend watching..." Thanks to an abnormal sexual experience she had in her student days, she has awakened to the idea of immoral, out-of-the-ordinary sex. With such a twisted desire for pleasure, there is no way a peaceful married life can withstand it... Read on to find out all about her new immoral experiences!!