Chapter 1: The secret and M?z?n.

This is my first ever crossover of wmmap and demon slayer, and i am 100% sure that you guys will like it!
What if lee jihye didn't die because of overdosing of sleeping pills? what if she died because of something else. What if lee jihye's name wasn't lee jihye?
The answers will unravel as you read the story and this will be an AU where aethernitas is already captured and anastacius is free and living the life XD
Now onto the story!