abs anthro athletic athletic_anthro athletic_female bdsm bondage bound breasts dildo dildo_in_pussy dildo_insertion ejaculation erect_nipples female forced forced_orgasm fucking_machine fur machine navel nipples nude open_mouth orgasm orgasm_face penetration rape restraints rough_sex sex sex_toy sex_toy_in_pussy sex_toy_insertion solo spread_legs spreading standing test_subject tongue vaginal vaginal_penetration wide_hips unknown_director mammal murid murine rat rodent attempted_signature hi_res
testing sex machine on lab rat