art by Mangamaster, 1girl, 1boy, breasts, nude, hetero, nipples, stool, blush, mixed bathing, brown hair, multicolored hair, black hair, smile, completely nude, purple hair, age difference, soap bubbles, onee-shota, bathroom, bath stool, shota, kneeling, navel, medium breasts, sitting, black eyes, bathing, short hair, gradient hair, two-tone hair, barefoot