There were times when the world was engulfed in chaos. One mistake, which saved the world, tore down the chaos and brought up human civilization while keeping the Creatures and Demons in check. But can Shesia live up to that as a seventeen-year-old Demon Slayer? Her friends and two Creatures her Elders found were put together into a Hunt to find out where the Demons were entering Earth from. Only to find out how much worse it is and dangerous it can be. But will finding out be worth it to them? Are they willing to do anything to stop the world from being ruled by Demons?