Webtanjiro's transformation into the demon king showcases the internal battle of good versus evil & redemption.
The change affects tanjiro's relationships with loved.
Webdemon slayer's manga ending reveals the ultimate fates of tanjiro and nezuko, although some reading between the lines is necessary to get it all.
There are demon slayer manga spoilers.
After his father's death, he became his family's breadwinner and travels to.