We have confirmation that the light novel Reign of the Seven Spellblades ( Nanatsu no Maken ga Shihai suru ) will be adapted into an anime. However, we don't yet have much information regarding the staff and studio involved in the anime's production.
Reign of the Seven Spellblades – Novel gets anime adaptation
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Synopsis:
The story takes place in spring, where we are introduced to Kimberly Magic Academy as the new students begin their first year. A boy, dressed in a black robe with a white cane and a sword, approaches the prestigious school. This young man – Oliver – must form a bond with a katana-wielding girl named Nanao if he wants to survive the dangers he will face at this school.
Both authors, Bokuto Uno and Ruria Miyuki, began publishing the novels through Kadokawa Publishing House 's Dengeki Bunko in September 2018. The publisher released the seventh volume on June 10, followed by the eighth on September 10 in Japan. The work received a manga adaptation by Sakae Esuno , which has been serialized in Monthly Shounen Ace since May 2019.
Source: dengekibunko

