Rule 34 Dev - 2018 anthro anthro_on_feral backlash91 balls blush closed_eyes clothing conditional_dnp duo equine erection eyewear feline fellatio feral fur glasses grey_fur horse humanoid_penis lying lynx male mammal mr._mephit nude on_back open_mouth oral penis sex size_difference smile synx_the_lynx white_fur yaoi zoophilia|2924099632