Miyashiro Kazuya

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.

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.

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

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.

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.

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.