Two female prototype androids manufactured using the same chassis for the development of Everroid. The two bodies that had completed the trial period were sold to their respective development agencies. After that, Zion, who was raised as a daughter (Hinako) of Dr. Izumi, who was input with pseudo-memory of human beings, and Sharan (Runa), whose fighting ability was further strengthened by Dr. Kamikaze, both lead different lives.
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