- Marry Kozakura: Marry is her daughter. When Marry was younger, she told her not to make eye contact or they will be turned into stone, and that she should stay inside to avoid humans. Shion wrote a diary for how much she loves her daughter as she feared that she would one day leave to see the world with her own eyes. One day humans bullied Marry, so Shion turned them to stone. The stress on her body from using her ability resulted in her death.
- Azami: Shion's mother and her favorite person. Shion saw her the last time when she left to create a never ending world. She waited for her for ages, but she never came back.
- Tsukihiko: Shion's father. When Azami left her family to create the world without end and never returned, Shion stayed with her father, who took care of her.