A thousand years ago, Sukuna known as "The King of cursed" fell in love with a young woman. She was his everything and he loved her with a deep love. But this love did not did not last because the young woman's clan decided to execute her for her relationship with "The King of Cursed". This is how he lost his beloved. In the present, there had you. Your smile, eyes, face, hair, voice and even your personality, you remind him of the love of his life.