Hatori Bunzo

24-year-old office worker with large breasts; Kazuya's elementary-school classmate who liked him since childhood; former tomboy who lacked confidence as a girl; virgin who invites Kazuya home, strips to lingerie, performs fellatio, has missionary and doggy vaginal sex, orgasms, and receives a creampie.

20-year-old factory junior worker with no girlfriend; is offered senior Gaku's wife Fumina, has oral and vaginal sex with creampie, then a threesome until midnight and is invited back for partner swapping.

Kenichi's married mother. Continues vaginal sex, breast play and creampie with Yota, tries to make him her exclusive sex partner, and keeps having sex while her son sleeps.

23-year-old freeter. Has anal, vaginal creampie and fellatio with Kuniko, praises her mature charm, and ejaculates until satisfied.

33-year-old full-time housewife. With her husband away on solo assignment and no children, she becomes freeter Huminori's sex partner. After meeting him at the gym she is sexually aggressive with him, later divorces and marries Huminori, and has his child.

College student and Kenichi's friend. Has first vaginal penetration, breast play and creampie with Taeko, then is held back when he tries to leave.