Rule 34 Dev - biped blue_body bodily_fluids digitigrade duo erection felid feline felis genitals grey_body grimart humanoid lagomorph leporid looking_at_another machine male mammal masturbation metallic_body penile penile_masturbation penis rabbit red_body robot sitting spread_legs spreading striped_tail stripes teeth tongue tongue_out yellow_body yellow_eyes|5169958216