Reign of the Seven Spellblades (Manga)

Reign of the Seven Spellblades (七つの魔剣が支配する Nanatsu no Maken ga Shihai Suru) is a Japanese manga series based on the light novel series by Bokuto Uno, with character designs by Miyuki Ruria. The manga is illustrated by Sakae Esuno. The series began publication on in May, 2019 in Monthly Shōnen Ace magazine from publisher Kadokawa Shoten.

Synopsis
It’s springtime at Kimberly Magic Academy, and that means the arrival of a fresh crop of first-year students. Whether it’s the quiet and studious Oliver Horn or Nanao Hibiya, a samurai girl from a distant land, they come with wands and swords at their waists, ready to take their first steps on the road to magical mastery. However, beneath its brilliant facade of cherry blossoms, the academy hides countless dangers and dark secrets, ready to take the lives of the unprepared…!