UQ Holder!

Negi Springfield, the boy wizard of the hit manga Negima!, fought and won many battles. Now it is decades later and Negi’s grandson(!), a little boy name Touta, dreams of leaving his quiet village and heading to the City. But first he must defeat his teacher … the immortal vampire, Evangeline! Witness the dramatic beginning of a futuristic battle fantasy

(Source: Kodansha USA)