Rule 34 Dev - 1boy 2023 abs ai_generated armpit_hair armpits bara black_hair black_male_underwear blush bulge chest_hair day facial_hair human large_pectorals leg_hair looking_at_viewer male male_only male_pubic_hair male_swimwear male_underwear mature_male muscular muscular_male navel navel_hair nipples outdoors pectorals pubic_hair rock short_hair solo stable_diffusion stomach stubble swim_briefs thick_eyebrows thick_thighs thighs topless_male underwear water|8321866616