Rule 34 Dev - anthro balls blush bodily_fluids brainsister breath erection feet foreskin genital_fluids half-closed_eyes humanoid_penis male male_only mammal masturbation monochrome mouse murid murine nude pawpads penile penile_masturbation penis pinky_and_the_brain precum rodent sitting slightly_chubby solo sweat the_brain warner_brothers|3707326824