Yuji Itadori, fifteen years old, had originally been an ordinary student at Sugisawa Third High School in Miyagi Prefecture. Both his parents had died, and his only remaining relative, his grandfather, had also passed away recently.
Of course, calling him ordinary was not entirely accurate. At the very least, his physical abilities far surpassed those of a normal human.
Kindhearted and courageous by nature, he possessed tremendous empathy and exceptional emotional intelligence. He was optimistic and cheerful, cared deeply about the value of life, and believed that life should end in a reasonable way rather than by accident.
Because an upperclassman from his school club, the Occult Research Club, had picked up a finger belonging to the King of Curses, Ryomen Sukuna, he unexpectedly encountered Cursed Spirits and Sorcerers—things ordinary people would never come across.
To save his upperclassman and a Sorcerer around his own age, he swallowed Ryomen Sukuna's finger, gained Cursed Energy, and killed those Cursed Spirits. However, Ryomen Sukuna also possessed him.
Fortunately, his body was extraordinary enough that he could forcibly suppress Ryomen Sukuna's control over it.
As a result, he was sentenced to death by the higher-ups among the Sorcerers.
Ryomen Sukuna was the King of Curses from a thousand years ago. Cruel, cold-blooded, and bloodthirsty, he especially enjoyed killing women and children.
He believed himself supreme above and below heaven.
After being killed a thousand years ago, his twenty remaining fingers became Special Grade cursed objects and were sealed away. Once the seals were broken, if a Cursed Spirit devoured one, it would directly evolve into a terrifying Special Grade Cursed Spirit.
If a human devoured one instead, the King of Curses might be resurrected after obtaining a physical body.
However, those twenty fingers contained the essence of Ryomen Sukuna's Cursed Energy and could