1boy, 2girls, blush, breasts, comic, crop_top, flying_sweatdrops, greyscale, hand_on_own_hip, indoors, large_breasts, long_hair, medium_hair, midriff, monochrome, mother_and_daughter, multiple_girls, navel, open_mouth, original, shirt, short_hair, shorts, sweat, sweatdrop, tachibana_yuu's_mother_(yakitomato), tachibana_yuu_(yakitomato), takahashi_keita_(yakitomato), towel, wet, yakitomato