Kimetsu no yaiba x reader (y/n) went from a lowy maid to a powerfull demon in one day. Her goal is to make save houses for upper moons and to update Muzan Kibutsuji when it comes to the demon slayers.What will come into her way and how is she gonna solve it? Begon : 26-2-2021 End: 7-08-2021 Things we accomplished: 8# variousxreader 18# Girlpower 10# kimetsunoyaiba 8# various 1# pillars 1# various