Atsuki

Male character with short black hair and school uniform who engages in sexual intercourse with Haruka

Convenience-store manager who, on the shop floor, angrily rebukes her night part-timer over their prior hotel sex and who started the affair first.

Male PE teacher who checks on Asahina, is pulled into kissing and explicit sex with her in the student council room despite protests, then collapses exhausted after creampie.

Long black hair, large breasts, wearing school uniform, frequently appears in sexual scenes

Senior with short light hair and school uniform who greets Haruka in the final pages

Long light-haired married woman who aggressively rides Atsuki bareback, allows creampie, then leaves before morning and chats online as siwori.