A half-human, half-Medusa woman who was Kozakura Mary’s mother. She lived in the forest with Mary, but was attacked by a human. In that situation, she used her power to turn him into stone in order to protect Mary. However, the strain on her body was too great for her to bear, resulting in her death. Her favorite person is "Mother", Azami.
Eye Ability
Shion has a power known as "Eye Contact" ability, it allows her to temporality stop the movement of whoever meets her gaze. Mary adopted this power from her.