Kitano Natsuki

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.

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.

Office worker living next door to Kaede. After embarrassing himself in front of her he drinks alone at night, then receives her visit and has kissing, fellatio, vaginal sex and creampie with her. Their affair continues afterward.

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.

Taeko's son with glasses. Sleeps while Yota stays over at the house.

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.