“What if...” Demon Tanjiro AU meet Human Tanjiro (read desc.) HD

Ok so this is an original AU! In this Tanjiro agreed to be turned into a demon so that he could have all of Eternity to cure his sister, nezuko, but he didn’t realize that he would loose his memory and forget why he was turn into a demon. He killed Micheal Jackson- I mean Muzan and became the demon king and assembled a new team of upper moons. He is Immune to sunlight.