What is kage no jitsuryokusha ni naritakute 13?

"Kage no Jitsuryokusha ni Naritakute" is a Japanese light novel series written by Tarō Hitsuji and illustrated by illustrator Valeria. The story revolves around a high school student named Yuji Itadori who lives a normal life until he gets caught up in a deadly incident where some powerful evil spirits stole a mysterious object, the "Talisman." Yuji decides to fight against the evil spirits and becomes a "Jujutsu Sorcerer" after he consumes one of the powerful cursed objects. The series explores Yuji's journey as a sorcerer, his friendship with other sorcerers, and his fight against the evil spirits.

The light novel has been adapted into a manga series, which has been serialized in Weekly Shonen Jump since 2018. The manga has gained immense popularity and has sold millions of copies in Japan. In 2020, the manga was adapted into an anime series, which has been praised for its animation and storytelling. The anime has been well received and has helped in increasing the popularity of the series worldwide.