1girl, ass, bikini, black_bikini, black_hair, breasts, circle_cutout, cleavage, cleavage_cutout, clothing_cutout, contrapposto, cowboy_shot, from_behind, half_updo, large_breasts, layered_bikini, long_hair, looking_at_viewer, looking_back, mahouka_koukou_no_rettousei, multiple_views, red_eyes, saegusa_mayumi, standing, sumi_(shibata3gb), swimsuit, thong_bikini, towel