gunner-l, nagakura mato, nakagura mato, oppai baka, game cg, non-web source, 1boy, 1girl, blush, bodypaint, breasts, brown hair, classroom, desk, detached sleeves, gigantic breasts, grabbing another's breast, green eyes, groping, hetero, long hair, looking back, nipples, no bra, open clothes, open mouth, open shirt, paint, painting (action), purple hair, school, school uniform, shirt, short hair, sweat