Atsuki

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.

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

Shoulder-length light hair, large breasts, casual home clothes; sees Daiichi and Chloe together on the sofa and remarks they get along, then dryly comments on them in bed.

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

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.

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