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Mari Kozakura (小桜 茉莉; マリー)Age: 140 (Physically around 14)
Height: 154 cm (5'1")
Weight: 39 kg (85 lbs)
Blood Type: Unknown
Occupation: 4th Member of the Mekakushi Dan
Songs: Outer Science, Souzou/Kuusou Forest (Imagination Forest), Gunjou Rein (Ultramarine Rain), Mary no Kakuu Sekai (Mary's Fictional World)
First appeared in Imagination Forest. A 1/4-Medusa, 3/4-human girl. Her mother told her "We're medusae, so if we make eye contact with a human they'll be turned to stone." While growing up, she always stuck to their words and hid herself away from the world in the forest. Even after they died, she continued to live alone. By chance, a boy named Seto visited the forest and found her. He has since brought her to the outside world. After coming to the Mekakushi Dan's hideout, and joining the group, she leads a sideline life making fake flowers in her room which generate a very small income. When she went into town to buy ingredients, the first people she met were neighborhood children. They bullied her, and she was traumatized by the incident, so she rarely goes outside anymore. Her inherited ability is Staring Eyes, which allows her to temporarily stop the movement of whoever meets her gaze for a short amount of time.
Regarding eye abilities.
(Source: Vocaloid Wikia, pixiv Encyclopedia)