Within the world of Kimetsu no Yaiba there are the Twelve Demonic Moons or Twelve Kizuki, which is a special group of demons that serve Muzan Kibutsuji, the antagonist of the series. These demons had the objective of finding the plant known as the Blue Spider Lily, although eventually the objective was changed and now they must capture Nezuko thanks to her being able to resist sunlight and they want to find out how she did it. The Twelve Demonic Moons are divided into two groups according to their ranks, the Upper Moons and the Lower Moons. Below you can meet all the members: