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.
The story takes place in an age where "Ajin" (demi-human), more casually known as "Demi," have slowly started to become accepted into human society. Tetsuo Takahashi is a biology teacher who ends up teaching three such Demi, hoping to understand more about them while also managing to catch their attention.
Meet the girls on the losing side of romance! First is Anna Yanami, the girl-next-door type who can’t say no to delicious food. Then there’s Lemon Yakishio, a beautiful and spirited athlete. Last but not least is Chika Komari, the cute yet shy heroine with gentle charm. Together, they navigate awkward setbacks hoping to finally find love!
