Manaka Kisaragi is a highly evolved being capable of extracting memories from her environment, manifesting them as butterflies of light. Dr. Kisugi administered the Towa drug to her while she was still in the womb, a procedure that triggered the development of her powers. Known as the "devil's child," she was killed by her grandmother on her deathbed. The light of Echoes revived Manaka but also induced accelerated aging. Her grandmother passed away shortly thereafter. Her ability to perceive people's memories allows her to detect Echoes, whom she seeks to emulate.
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