I Don’t Remember Being a Legendary Witch?

I’ve been reincarnated in another world, and I’m enjoying my life in it to its fullest. Because I’ve also had the power to do that. After spending several hundred years (or so) in such freedom, I found myself being treated as a legendary witch by the people. Also known as “Primordial Witch”. Wow. And that’s all I can say, truly. I’ve always kept my interaction with people to a bare minimum, but it looks like I can’t say that from here on. I have no choice but to reap what I sow. This is a story about an immortal witch TS girl who causes a stir in the world.