(In this one you and Mahito are dating)

You've suffered from almost everyone's deaths. Now you're chasing Itadori because he's about to kill Mahito.

Itadori: "He deserves it! He killed Kugisaki and Nanami!"

After he finally caught up and injured Mahito greatly, he left. You ran over to Mahito in the snow.

Mahito: "T- This is...what pain feels like? W- What fear feels like...? Heh...thanks...for everything..."