Rule 34 Dev - 2020 anthro balls bedroom_eyes blush brainsister erection foreskin foreskin_play fur genitals half-closed_eyes heart looking_at_viewer male male_only mammal masturbation mouse murid murine narrowed_eyes navel nude pawpads penile penile_masturbation penis pinky_and_the_brain reclining rodent seductive sitting solo spreading the_brain uncut warner_brothers white_body white_fur|4715457128