abs animal_genitalia anthro balls big_balls black_body black_fur blue_body blue_fur claws erection fur genitals hand_on_penis knot looking_at_viewer male nipples paws penis pink_penis red_eyes sheath sitting sitting_on_bench solo spikes spikes_(anatomy) tan_body tan_fur toe_claws freesillystring generation_4_pokemon lucario pokemon_(species) hi_res