gan-chan (artist), mariya tomoko, discovery mars, waimen kyoukan -nakadachi taizou-, game cg, translated, 1girl, blush, bodypaint, breasts, car, covered erect nipples, female focus, grabbing another's breast, green eyes, green hair, groping, huge breasts, large breasts, long hair, lying, maebari, matching hair/eyes, motor vehicle, on back, on car, pasties, shoshinsha mark, solo, student driver, sweat, text focus, what