you were walking around the swordsmith village when you hear laughing and yelling in the distance, it sounded like Inosuke and tanjiro and you turned around to see inosuke running and laughing with his boar head on with tanjiro chasing him

Inosuke: YOU'LL NEVER CATCH ME GONPACHRIO!!! NYEHEHEHEHEHEHEHE

Tanjiro:ITS TANJIRO!!