Rule 34 Dev - 1boy 2018 4_fingers 4_toes animal_genitalia anthro barefoot brown_fur canine fox foxer421 fur furry glasses green_eyes hair hindpaw looking_at_viewer male male_only mammal navel no_nipples nude open_mouth original_character pawpads paws sheath simple_background smile solo standing testicles text toes watermark|2965955312