Rule 34 Dev - 1boy abs air_nomad airbender airbender_tattoo artist_name avatar_legends bald balls bara beard big_balls big_penis body_paint bodypaint cock facial_hair fundoshi fundoshi_aside fundoshi_only human human_only light-skinned_male light_skin looking_at_viewer male male_chest male_nipples male_only mature mature_male muscle muscles muscular muscular_male muscular_thighs naked nipples nude nude_male nudity pecs pectorals penis penis_out presenting presenting_penis six_pack smooth_skin solo solo_focus solo_male standing tenzin the_legend_of_korra thick_eyebrows thick_penis underwear underwear_aside underwear_only vansbeab veiny_penis white_underwear|5329213296