Rule 34 Dev - 1boy abs ai_generated amtb_art anus armpit_hair armpits ass balls bara bara_tits barazoku big_balls big_penis completely_nude completely_nude_male erection fundoshi fundoshi_only gay girthy girthy_penis hard_on huge_balls huge_cock japanese_clothing kill_la_kill kinagase_tsumugu looking_at_viewer male male_focus male_nipples male_only male_pubic_hair manly mohawk mohawk_(hairstyle) muscular_male musk nipples nude pecs penis perineum precum precum_drip presenting presenting_hindquarters solo solo_male sweat veiny_penis yaoi|10391622208