1girl, arms_up, black_hair, blue_eyes, blush, bra, breasts, kneehighs, looking_at_viewer, lying, medium_breasts, on_back, open_clothes, open_shirt, panties, panties_around_one_leg, parted_lips, school_uniform, shiny, shiny_skin, shirt, short_hair, skirt, solo, sweater, underwear