Rule 34 Dev - 2boys abs arm_behind_head arm_up armpits bara biceps bikini_briefs black_male_underwear bulge commentary_request cowboy_shot dark-skinned_male dark_nipples dark_skin erection erection_under_clothes facial_hair frown gorou_naoki groin hand_on_another's_stomach highres indoors looking_down male_focus male_only male_underwear moustache multiple_boys muscular muscular_male navel nipples original pectorals penis penis_peek red_hair shiny_clothes shiny_skin short_hair sideburns solo_focus standing sweatdrop testicle_peek testicles thick_eyebrows uncensored underwear underwear_only veins veiny_arms veiny_penis yaoi|9097052936