animal_genitalia animal_penis anthro balls big_balls big_penis blue_body blush canine_genitalia canine_penis chest_spike chest_tuft erection forest fur genitals grass hand_on_penis holding_own_penis holding_penis knot knot_root_grab male nature navel nipples nude open_mouth outdoor_nudity penis plant pubes red_eyes sky solo spikes spikes_(anatomy) tan_body tan_fur thick_thighs tree tuft styx343 generation_4_pokemon lucario pokemon_(species) hi_res