Rule 34 Dev - anthro anus balls black_body black_fur butt ejaculation eyes_closed fur genitals grey_body grey_fur knot lying male masturbation moan muscular muscular_male neckfluff nude on_back pawpads solo spotted_paws tail doomchik aske_(tsarfox64) canid canine fox mammal red_fox silver_fox true_fox 2023 hi_res|20597681055