Naoko Kamikishiro

A cheerful third-year student at Shinyo Academy, this kindhearted girl maintains a dual relationship with both Kimura Akio and Tanaka Shiro. Though she possesses a happy-go-lucky spirit, she is frequently heard singing "Life is Brief." Her life changes forever after discovering the collapsed Echoes in the street; through a newfound telepathic connection, she learns the truth about Manticore. Ultimately, her selfless compassion toward Echoes serves as the pivotal force that preserves the future of humanity.