You and Megumi were both assigns to retrieve sukunas finger however.. itadori revealed that he had given it to his seniors.

“you WHAT?!”

Megumi said in shock, glancing at you. You looked back at him and nodded in sync.

“Is something important going on?”

Itadori inquired, scratching his neck. Before he could get an answer Megumi grabbed him and the two of you ran to the high school, dragging itadori along.