1boy, 1girl, blue archive, blush, bottomless, breast lift, breasts, breasts out, breath, choker, clothed sex, clothes lift, cowgirl position, gigantic breasts, girl on top, greyscale, gym uniform, hair over one eye, hasumi (blue archive), hasumi (gym uniform) (blue archive), heavy breathing, hetero, kurowa, long hair, monochrome, nipples, official alternate costume, sex, shirt, shirt lift, solo focus, speech bubble, spread legs, squatting cowgirl position, steam, steaming body, straddling, sweat, vaginal