rule 34 2019 alix dsc85 anthro balls big penis black penis black scales blue skin breasts claws digital media artwork dragon duo erection faceless character green scales hanging hi res huge cock humanoid penis low angle view macro male male only masturbation micro multicolored skin muscular muscular male nommz nude pecs penile penile masturbation penis penis close up penis shot penis towards viewer scales scalie shower signature size difference soap standing tegon unaware water wet 3332712