rule 34 2023 animal genitalia animal penis balls beckoning black balls black body black ears black fur black hair black sheath black tail canid canine genitalia canine penis claws dipstick tail fangs fur gaokun genitals gesture green body green fur green hair green inner ear green nose green penis green tail hair hi res looking at viewer male mammal markings monotone balls monotone ears monotone genitals monotone penis multicolored body multicolored fur multicolored hair penis penis tip pink inner ear purple background purple eyes sheath simple background solo tail tail markings teeth toe claws two tone body two tone fur two tone hair two tone tail watermark 7637564