Quote Originally Posted by MFauli View Post
I didn't really mean "chosen one" because of his forehead scar or anything. The flashback showed someone who looked like his father (but wasn't, I assume) who opposed Muzan in the past with his sunbreathing techniques. Tanjiro is related to that guy, so now he's the chosen one in so far that he's the descendant of someone who also fought Muzan.

But let's recognize it.
I think everyone else recognized it the moment Muzan wanted to hunt down Tanjiro after seeing his heirloom earrings...