Yasumura Shoichi

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.

20yo convenience-store part-timer. After sex with Suzu he checks outside that her husband is asleep, and narration states Suzu's heart has fully become his.

20yo lounge/massage-parlor worker with dark hair and large breasts. Presses her breasts on Bunzo, performs fellatio and deep fellatio, takes a heavy facial and oral cumshot, and continues group and next-day all-night sex with Rin and Sora.

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.

38yo convenience-store manager and Suzu's husband. Sleeps snoring face-down at the table and remains asleep through his wife's affair and daytime seduction of Yamada.