Rule 34 Dev - 3_fingers animal_genitalia animal_penis anthro balls becoming_erect biped blue_balls bodily_fluids canine_genitalia canine_penis claws close-up cum cum_on_leg cum_on_penis cum_on_self cumshot ejaculation erection faceless_character faceless_male fingers genital_fluids genitals half-erect knot knot_in_sheath knot_swelling male masturbation navel nude orgasm penile penile_masturbation penis penis_tip sheath simple_background sitting solo thick_knot thick_penis unsheathing conditional_dnp dacad third-party_edit nintendo pokemon canid canine generation_4_pokemon mammal pokemon_(species) riolu 2015 2d_animation animated digital_media_(artwork) frame_by_frame loop short_playtime|6557148430