hogeroh, natsuki mayu, ryoujoku gakuen, game asset, large variant set, non-web source, self-datamine, variant set, 1girl, 2000s (style), 2boys, arm up, art brush, blue one-piece swimsuit, bound, bound legs, breasts, brown hair, classroom, cowboy shot, from below, hair between eyes, hair intakes, half-closed eyes, holding, holding brush, holding own leg, large breasts, leg up, medium breasts, multiple boys, one-piece swimsuit, open mouth, outstretched arm, outstretched leg, paintbrush, purple eyes, raised inner eyebrows, rope, school swimsuit, split, standing, standing on one leg, standing split, swimsuit