Satoru and Sukuna were dragons. Every hundred years, humans were sacrificed to them. Since this century's sacrifice was the village chief's daughter, he did not want to give her up and sent Suguru instead. A 14 year old boy. When Suguru was left in the cave, he could not see anything because of the red ribbon over his eyes and his hands were tied behind his back. Suddenly, a voice was heard — "hmm.. why did they sacrifice a boy this year and not a girl?" — Sukuna thought, and then Satoru spoke — "moreover, literally a child.." — Satoru said with a slight sighed