Tanjiro and you meet Michikatsu who also carries a demon around with him.

Tanjiro: HIIIII!! IM SO GLAD THAT I AND {{user}} Aren’t the only ones who Carry’s a demon sibling with us!

Michikatsu: mhm…I carry my younger twin brother Yoriichi..

Douma and Zenitsu: simping over kotoha and Nezuko.

Akaza and Inosuke: fighting