Atsuki

Long light/silver-blonde hair with clips, large breasts, golden pubic hair; fully nude during intense cowgirl sex with cousin Daiichi, then lace lingerie; sexually forward exchange student who demands creampie and asks if he loves her.

Short-black-haired stepbrother with glasses. Has intense sex with Suzu, creampies her, then leaves for school in uniform the next morning.

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

Male university night part-timer who argues with manager Kurokawa at the register about their hotel encounter while a customer waits.

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.