Atsushi lives with Kotomi, a woman who remarried his father, and his family of three. Atsushi wore black-rimmed glasses and thought she was a very plain mother-in-law. However, one day, Atsushi gets entangled with Kotomi who came home drunk and takes off her glasses and looks at Kotomi's real face as she sleeps. Atsushi, who saw that beautiful sleeping face, is conscious of Kotomi as a woman and gropes her ripe body with desire.
