Sena

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.

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.

College student and Kenichi's friend. Has first vaginal penetration, breast play and creampie with Taeko, then is held back when he tries to leave.

20yo university student with short hair, large breasts and ass. Has a boyfriend but cannot resist Bunzo's large penis, strips for first sex, rides cowgirl feeling uterine pressure, has a condom put on just before ejaculation, and joins group and next-day all-night sex.

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

20yo clothing-store worker, blonde with large breasts. Newly moved next door, throws loud drinking parties, wakes Bunzo, apologizes and drags him to the party. Calls herself the lewdest of the three, spreads her vagina waiting for his penis, takes doggy-style penetration, climaxes forgetting work and seniors, and joins overnight group sex.