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.

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.

48-year-old married housewife. Continues intense sex with Norio including anal penetration, creampies, and oral; climaxes with squirting and demands more semen and repeated sex.

25-year-old factory senior coworker with glasses; married to Fumina; lends his wife to junior Namino for sex, watches from outside the room, then joins a threesome including anal and vaginal sex until late night.

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.

33yo black-company salaryman of about 10 years, body and mind exhausted, and a virgin. Dragged into neighbor Sora's drinking party with Rin and Natsuki, exposed as a virgin, stripped after breast exposure, receives fellatio and facial from Natsuki, has first intercourse with virgin Rin nearly creampieing before using a condom, then doggy-style sex with Sora, continuing overnight group sex with all three 20-year-olds and still having sex with them the next day while job-hunting.