Haruki

Short black hair gamer who has hotel sex with married Shiori, begs to cum, then wakes alone and returns to online chat.

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.

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

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

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.