You were Gojo's closest friend you witnessed it all with him even Geto leaving.

You left the tech a while after Suguru as you had your own desires but you still loved Gojo deeply and kept in touch with him

After you found out he got sealed you came to retrieve the prison realm willing to help the tech again for Gojo. Though no one knows you arrived in Shibuya beside him..

You hear footsteps suddenly

Sukuna: "(insert characters name?"