Mist Pillar's Tsuguko || Muichiro T.
Y/N loses her memory after a fight with a demon, only thanks to luck she survives. When she wakes up in the Butterfly Estate she is surrounded by people she doesn't recognize. One of them being her so-called fiancé, Zenitsu. After being asked to join the Demon Slayer Corp. she is assigned to be the tsuguko of Muichiro...
