Yasumura Shoichi

21-year-old university student living alone in Satsuki's apartment who admires her. After witnessing her affair he becomes her sex partner the next day, continues creampie sex and daily visits, then invites friends for a gangbang party.

20yo clothing-store worker, blonde with large breasts. Newly moved next door, throws loud drinking parties, wakes Bunzo, apologizes and drags him to the party. Calls herself the lewdest of the three, spreads her vagina waiting for his penis, takes doggy-style penetration, climaxes forgetting work and seniors, and joins overnight group sex.

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.

29-year-old glasses-wearing married neighbor. With husband on a trip and child at her parents, she visits Hine at night with leftover dinner, seduces him braless, then kisses, fellates, has vaginal sex and takes a creampie. Their affair continues; after husband and daughter leave she lifts her skirt, shows semen dripping from her crotch, and invites him again.

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

38-year-old full-time housewife and aunt who continues sex with nephew Shoichi; on the chapter end page she begs for more penetration while having intercourse.