Yota

25-year-old wife of Hirata Gaku; large breasts and huge buttocks; appears demure but is a nymphomaniac who performs fellatio, vaginal sex, creampie and double penetration with junior Namino and her husband, then invites Namino back for partner exchange.

18-year-old university student nephew continuing sex with aunt Fukiko through the end of their chapter.

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.

24-year-old freeter and virgin with a large penis; reunites with elementary classmate Misaki, is taken to her home for his first sex, creampies her, then walks out with new confidence and is invited home by junior coworker Kokone.

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.

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.