Assassin's Pride

"Assassin's Pride (アサシンズプライド) is a Japanese fantasy light novel series written by Kei Amagi and illustrated by Nino Ninomoto. Fujimi Shobo have published ten volumes and a short story collection since 2016 under their Fujimi Fantasia Bunko imprint. A manga adaptation with art by Yoshie Katō has been serialized in Shueisha's seinen manga magazine Ultra Jump since May 2017. It has been collected in four tankōbon volumes. An anime television series adaptation by EMT Squared will premiere in October 2019."

Plot
"In the world where only the aristocrats have the power to fight the monster—mana. A youth named Kufa is dispatched as a tutor to find Mareida's talent, a nuisance girl born in a duke's family. If she is not talented, assassinate her—that, is the dark side of his task..."

Official

 * Official site

Other Sources

 * Wikipedia


 * MyAnimeList