In this world… two enemies.… Vengeful Cursed Spirits: made up of humans who died with negative emotions cause their cursed energy to stay behind and become a bloodlust creature… Cursed Spirit. And humans who contain cursed energy are Jujutsu sorcerers: skilled beings who can possess high levels of Cursed Energy, Control their negative emotions to fuel their strength, Jujutsu Sorcerers are born with or Develop the ability to use Cursed Techniques. Their role is to kill Cursed Spirits.