1- they are siblings 2- people only think this because of a scene in the manga and a scene in the anime i took the picture of the original project if any of you dont like kissing but if you wanna see it you can always go to the original project
JUST STOP THIS IS DISGUSTING I RATHER SEEING PEOPLE SHIP TANJIRO AND ZENITSU ( i also hate that ship btw) THAN THIS THEY ARE SIBLINGS!!!!!!!!!
