sumeragi yuusuke, kitagawa aya, blackrainbow (company), saimin gakuen, game cg, jpeg artifacts, 00s, 3girls, all fours, ass, bent over, blue hair, blush, breasts, brown hair, censored, female focus, hanging breasts, large breasts, mosaic censoring, multiple girls, naked school attendance, naked sport, nipples, nude, playing sports, public indecency, shoes, short hair, sneakers, socks, solo focus, zenra