1boy, abs, bara, black_hair, blue_background, blue_male_swimwear, bulge, chest_hair, closed_eyes, facial_hair, gakei3, grin, hairy, holding, male_focus, male_swimwear, muscular, muscular_male, navel_hair, nipples, original, pectorals, pubic_hair, pubic_hair_peek, smile, solo, stubble, swim_briefs, swim_cap, topless_male