Rule 34 Dev - akuro anthro big_arms big_chest big_muscles big_penis black_body blue_body bodily_fluids canid canine canis dragon duo erection flexing genitals grin inviting looking_at_viewer male male/male mammal muscular muscular_male nexus penis presenting sauna smile sweat sweaty_genitalia towel towel_around_neck volkin_name wet wolf|7301845696