1girl, black_hair, black_skirt, blush, breasts, brown_eyes, cleavage, clothes_lift, collared_shirt, couch, looking_at_viewer, lying, matsunaga_kouyou, medium_hair, nose_blush, on_back, open_clothes, open_shirt, original, panties, pleated_skirt, school_uniform, shirt, skirt, skirt_lift, small_breasts, solo, spread_legs, thighs, underboob, underwear, white_panties, white_shirt