Rule 34 Dev - animal_genitalia animal_penis anthro balls bdsm biped bondage bound canine_genitalia canine_penis erection fur genitals hair knot looking_at_viewer male nude open_mouth penis restraints rope rope_bondage simple_background solo spikes tongue brokenvocaloid aura_(gauru) canid canine hybrid mammal wolfmodo 1:1|8360418255