Rule 34 Dev - anthro clenched_teeth duo erection feline front_view furry glans grey_background humanoid_penis looking_back male male_only mammal monochrome mrkaliebhiley on_top on_top_of pencil_(artwork) penetration penis reclining simple_background skunk skunk_(skunk_fu!) skunk_fu! solo_focus teeth tiger traditional_media_(artwork) yaoi|2535046416