Rule 34 Dev - 2018 4_fingers 4_toes 69_position abstract_background ankle_tuft anthro ass balls biped blue_eyes brown_fur butt_fluff claws coiling countershading crotch_tuft detailed digitigrade dipstick_tail duo embarrassed erection facesitting fellatio flustered fur geiv glans grey_fur head_tuft hi_res hindpaw keel kel looking_at_butt looking_at_partner looking_down looking_up lying male mammal mane markings multicolored_tail necroizu nude on_back oral pawpads paws penis precum saliva scar sergal sex shaded shiny shiny_fur shoulder_tuft side_view signature simple_background slit_pupils smaller_version_at_source snout tail_tuft tan_background tan_fur textured_background toe_claws toes tongue tongue_out tuft vilous_universe wide_eyed yaoi yellow_markings|3119208928