6+boys, alternate_costume, ball, barefoot, beach, beachball, blindfold, blue_hair, bracelet, brown_hair, cloud, cloudy_sky, day, food, fruit, grey_hair, grin, hood, hoodie, jacket, jewelry, lens_flare, male_focus, male_swimwear, multiple_boys, muscular, open_clothes, open_jacket, open_mouth, outdoors, ponytail, sharp_teeth, shaved_ice, sky, sleeveless, sleeveless_hoodie, smile, suikawari, sun, sweat, swim_trunks, teeth, topless_male, watermelon, yellow_eyes