Kenichi

23-year-old freeter. Meets Sena at the gym, becomes her sex partner, and after she divorces her husband marries her and has a child with her. He continues their relationship while lusting after her body.

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.

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.

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.

20-year-old junior at Kazuya's workplace; long light hair with ribbons; usually dark-faced but cheerful after seeing confident Kazuya; invites him to leave work together.