Shiori

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.

Kind female convenience-store manager who tells a male university part-timer he can leave early and that she will handle the inventory.

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

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