Naho Yokomizo

Shy outcast Kokoro has been avoiding school for weeks when she discovers a portal in her bedroom mirror. She reaches through and finds herself transported to an enchanting castle where she is joined by six other students. When a girl in a wolf mask explains that they have been invited to play a game, the teens must work together to uncover the mysterious connection that unites them. However, anyone who breaks the rules will be eaten by a wolf.

Eight-year-old Miyuki lost her mother several years ago and has since lived with just her father, Ryoichi. One day, she is suddenly introduced to Akiko, who is to be her new mother. Akiko uses her stellar business skills to try to win the little girl over, only to fail miserably. Ryoichi tries to reason with Miyuki, but to no avail. Akiko changes tactics and tries to get Shimoyama, a woman in the neighborhood who knows Miyuki well, on her side.