(W) Mizuki Tsujimura (A) Tomo Taketomi Seven junior high students are granted access to a mysterious castle. The only thing connecting the kids is that none of them go to school during the day. Kokoro sees the castle as the only place where she truly belongs, but not everyone feels that way. Ureshino announces one day that he's going back to school, but as summer vacation comes to an end, Ureshino returns with mysterious injuries. As it becomes clear that everyone in the castle has their own hidden secrets, Ookami-sama announces a new rule that will change everything.

(W) Mizuki Tsujimura (A) Tomo Taketomi The kids realize that, aside from Rion, they are all students at Yukishina Junior High No. 5. After an eventful Christmas party, Masamune plucks up his courage to suggest that the kids help each other out with their problems and maybe even start attending classes again. They all agree to go to school on January 10th. Will Kokoro finally be able to face her bullies?

(W) Mizuki Tsujimura (A) Tomo Taketomi The kids had promised each other that they'd all attend school on January 10th, but when the day finally comes, the seven kids fail to meet up. With the key still missing, the month of Ookami-sama's deadline finally arrives. The kids decide to treasure the time they have left, but on their final day in the castle, something shocking happens at the very last moment!

(W) Mizuki Tsujimura (A) Tomo Taketomi Final volume! When someone breaks the castle's main rule, six of the kids are devoured by the wolves. To save her friends, Kokoro ventures back into the castle and wades through each of their memories to find the key. Why were the seven of them brought to the castle? Will Kokoro ever see her friends again? When all of the mysteries finally come to light, the door to the future creaks open!