Rule 34 Dev - 4_toes all_fours anthro anus aoru ass ass_up bed brown_fur canine castrated castration claws erection eunuch fur green_eyes hindpaw humanoid_penis looking_at_viewer lying male male_only mammal neutered nude on_front open_mouth paws penis precum presenting presenting_hindquarters raised_tail scar smile solo wolf woozy_wolf|1759603224