The world of Jujutsu Kaisen consists of terrifying spirits, haunting curses, and powerful sorcerers. As fantastical as all those concepts may be, JJK's lore is intricate enough to make them always feel convincing. As a shonen battle series, Jujutsu Kaisen definitely prioritizes the action, but it does so without sacrificing its focus on story or world-building in the process.
Source：https://www.cbr.com/important-jjk-facts-new-fans/
