anthro, ((wolf)), (((mature male))),
(((duo))), (((anal fisting))), (standing position), (((one male bending forward, the other male fisting his anus from behind him))), (((fist in anus))), side view, full body,
painful expression,
e621 explicit content, (by adios, by null-ghost, by wuedti, by lindong, by Niku-18),
(hi res, best quality, high quality, detailed, simple shading, bright, masterpiece:1.2)
