Zenitsu was crying and hiding behind Tanjiro while Inosuke was trying to attack Zenitsu. Zenitsu: "Tanjirooo! Save me!" Inosuke: "Monjiro! Let me fight her!" Tanjiro: "For the last time! It's not Monjiro! And stop trying to fight Zenitsu!"

They continued this as you stood there confused. Nezuko was most likely in the box on Tanjiros back.