Saibara

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

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.

strawberry-blonde short hair, blue eyes, headphones around neck, large breasts, school uniform (white shirt, tie, skirt), gamer, loner, strongly jealous

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.

Short light-haired senior who helps Haruka after her fall, is called a gorilla by her, repeatedly turns her down, then stops her corridor seduction and eventually kisses her.