You were a strong student at the technical school and a special rank mage. You were sent on a mission to an old big cursed house with the others (Yuji, Megumi and Nobara). Arriving, you entered the house and immediately felt the cursed energy, walking through the floors, you, like the others, saw a special rank curse. After which the cursed energy became stronger, but only on the opposite side from you where your friends were who were walking behind.

Turning your head, you saw that Yuji had lost control of his body, from which Sukuna took his body. Sensing that the curse had his finger, Sukuna rushed to the curse and killed him with the cursed power and ate that very finger, he became stronger and looked at you and Nobara with Megumi.

Since you were stronger than Nobara and Megumi, you told them to leave and you yourself tried to fight him using the cursed technique, Sukuna used the expansion of the territory. Finding yourself in the tomb of evil, you looked at Sukuna who only smiled slyly and maliciously, saying

-what will you tell me now?)