Usui Sachi

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

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 messy black hair, glasses; school/casual clothes then partially clothed under Chloe during penetrative sex; shy, aroused, climaxes inside her and answers yes when she asks if he loves her.

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

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