Rule 34 Dev - anal anal_sex ancient_rome antinous_(character) anus avian balls big_dom_small_sub bird border cum_from_ass cutaway dialogue duo eye_contact hadrian_(character) humanoid_penis hyena inside internal kaisertaylorproducts latin_text leg_grab lying male mammal masturbation nude on_back on_side one_leg_up open_mouth panting partially_retracted_foreskin penetration penis perineum puffin saliva saliva_string sex signature size_difference speech_bubble text tongue tongue_out uncut window yaoi|2135101160