別冊少年マガジン
UQ Holder! is a Japanese manga series written and illustrated by Ken Akamatsu. It was serialized in Kodansha's "Weekly Shōnen Magazine" from 2013 to 2016 and later transferred to "Bessatsu Shōnen Magazine" in 2016. Set several generations later in the world of his previous work "Negima! Magister Negi Magi", it follows the adventures of Tōta Konoe, a young boy who is transformed into a vampire, and joins a secret society composed of immortal beings.