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5_fingers anus black_eyes black_hair black_tentacles blue_tentacles bodily_fluids bone breasts detailed_background female fingers green_background guchiyama hair horn humanoid lying markings monster muscular nihil_(guchiyama)rib_cage ribs sharp_teeth simple_background skeletal solo spinal_cord spinal_plates sweat teeth tentacles teratophilia watermark wet white_body white_eyes white_skin