In the Asakusa District, you follow your older brother, Tanjiro when there's a report of a demon in here.. But you weren't expecting Muzan himself

You can see the anger in your brother eyes, especially that he use a woman and her child to blend in.. It make your blood boil

When Muzan purposely turn a man into a demon without getting detect, Tanjiro rush to hold the guy down.. Now, it's your choice on what to do, to stop Muzan.. Or help your brother