The narrator and protagonist. A woman with an ability that requires emotional fluctuation to activate, making her nearly invincible in combat when maintained. Her ability manifests as black wings that are actually symbiote-like flexible weapons for offense and defense. She values money highly, has saved nearly 80 million yen, and plans to retire at 100 million. She runs a milk tea shop business with partners. She has psychological shadows about romance due to her friend Momiji's story. She is emotionally complex, protective of those around her, and has a close partnership with Oda Sakunosuke.
