MC fell for a hoe, naturally she ends up having a fling with an ex from highschool and MC finds out however he liked it and she felt guilty for cheating but he told her he is into that shit. They stay together.
Sakaguchi, a gloomy college student, meets Yoneda Mami, a gloomy otaku girl and his life changes dramatically. The two, who are similar, are immediately attracted to each other and Mami is touched by Sakaguchi's purity and is drawn to his charm. Eventually, Mami captivates Sakaguchi with her bold actions and the two finally cross the line. Sakaguchi gets his long-awaited girlfriend, loses his virginity and reaches the peak of his life. Then, one day, the two go out for a karaoke date. Mami sits next to Sakaguchi while singing in a sweet voice and sometimes they lean against each other. Sakaguchi is surrounded by the sweet atmosphere created by Mami and enjoys a happy moment from the bottom of his heart. However, the sweet time comes to an abrupt end. Mami goes to the drink bar to get a drink and never comes back. Sakaguchi becomes anxious and goes to look for her and hears Mami's perverted moans from another room. When he peeks in, he sees a shocking sight. Mami was in the arms of a stranger, immersed in pleasure with a seductive expression she had never shown before. ''Why... Mami... We had sex... I thought we were dating...''