The Ancient Magus' Bride manga volume 15 features story and art by Kore Yamazaki.

As the College continues its desperate search for The Testament of Carnamagos, the danger has grown so dire that the Vice-Chancellor has decided to put the College in lockdown until Christmas. Through their shared plight, Chise and her classmates come to know more about each other. Thanks to their experiences in the Abandoned Hall, they all begin to change, whether they like it or not. Some grow closer, while others begin drifting apart.