FURVERT!

2021 anal anal_penetration animal_genitalia animal_penis anthro aphrodisiac aphrodisiac_mask balls bound canid canine canine_genitalia canine_penis canis digital_media_(artwork)egg erection fucking_machine fur genitals gradient_background green_eyes hair hi_res knot laboratory limb_slot lying machine male male_oviposition male_penetrated mammal mask number on_back oviposition penetration penis percentage raine_riverwind rainingrush restraints science science_fiction screen simple_background solo tentacle_in_ass tentacle_penetration tentacles tentacles_on_male text wolf