FURVERT!

1:1 animal_genitalia animal_penis animated animated_gif anus ass_up backsack balls butt canine_genitalia canine_penis collar domestic_cat erection felid feline felis feral genitals helya_(perlibox)knot knotted_penis male mammal penis perineum perlibox presenting presenting_anus presenting_hindquarters short_playtime solo teasing tongue tongue_out