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Last Order (打ち止め)Height: 120 cm
Classification: Esper, Sisters Clone
Misaka clone No. 20001, she is the administrator of the Misaka Network and the fail-safe mechanism in case the Sisters got out of control. She is not designed to function independently and survive for long outside a culture container, and appears to be only about ten years old. Unlike her previous clone sisters, she is capable of showing emotions and has a close relationship with her adult mentors, Misaka Worst and Accelerator.