FURVERT!

animal_genitalia balls bdsm bondage bound canid canine canine_genitalia deep_penetration duo egg egg_insertion feral forced fox genitals kai_the_fox knot knotted_penis laboratory looking_pleasured male male/male mammal ovipositor pawpads paws penetration penis raised_tail rape restrained sex sheath spread_legs spreading srfx18 suspension tail tentacle_ovipositor tentacle_penetration tentacle_rape tentacle_sex tentacles urethral zatch_(sirfox)