The Big ImageBoard (TBIB) - 2013 age difference ambiguous gender ambiguous penetrated ambiguous penetration anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro aogami big dom small sub biped canid canine clothing dominant duo fedora fox from behind position hat headgear headwear hi res interspecies larger male male male/ambiguous male penetrating male penetrating ambiguous mammal mustelid older male otter penetration rokuke shiba (character) sex size difference smaller ambiguous smaller penetrated young young ambiguous young anthro younger ambiguous younger penetrated