1girl arms_up bdsm blue_hair blush bondage bound breast_torture breasts bubuzuke censored chichi_ninja chichi_ninja_revolution clitoral_stimulation clitoris_torture cuffs dildo electricity electrocution electrodes electrostimulation eyes_closed feet female helpless laboratory long_hair nipple_torture nude object_insertion on_table pain restrained science screaming slave table torture vaginal vaginal_object_insertion waki yamamoto_fusako