七つの魔剣が支配する

From Author Wars - https://authorwars.com/books/qi-tsunomo-jian-gazhi-pei-suru-2809778.html

Overview:

Title: 七つの魔剣が支配する
Author: 宇野朴人
Year: 2018
Type: Novels
Series: 七つの魔剣が支配する / Reign of the Seven Spellblades
Number in Series: 1

Variant Titles:

2020. Reign of the Seven Spellblades I

Genres/Themes:

young-adult fantasy