FURVERT!

4_eyes anthro breasts female feral fucking_machine hi_res laboratory laboratory_equipment lizard machine medium_breasts multi_eye navel nipples non-mammal_breasts non-mammal_navel non-mammal_nipples nude penetration purple_body questionable_consent reptile restrained restrained_hands restrained_legs scalie scientific_experiment scientific_instrument solo standing test_subject vaginal vaginal_penetration wandering_lizardfolk water_tank