animal_genitalia animal_penis anthro anus backsack balls black_balls black_body blue_body blue_fur blush butt butt_focus canine_genitalia canine_penis crotch_shot embarrassed erection fur genitals knot legs_together looking_at_viewer looking_back looking_back_at_viewer male nude nude_male penis penis_backwards perineum presenting presenting_anus presenting_balls presenting_hindquarters presenting_penis rear_view red_eyes shy simple_background solo vein veiny_knot veiny_penis sysns canid canine generation_4_pokemon lucario mammal pokemon_(species) hi_res
"He's been trying to hide that boner to no avail~"