2015 5:4 anthro arched_back bodily_fluids cum duo ejaculation erection eyes_closed frottage genital_fluids genitals hand_on_leg hand_on_thigh humanoid_genitalia humanoid_penis interspecies kangaroo koan_(morenor) looking_pleasured macropod male male/male mammal marsupial moan morenor murid murine nude orange.slice orgasm orgasm_face penile penis rat red_background red_eyes rodent sex shephard simple_background sketch