Angel Sanctuary is a Japanese manga series created by Kaori Yuki. It follows the story of Setsuna Mudo, a young man who discovers he is the reincarnation of an angel named Alexiel. The narrative explores themes of love, sacrifice, and the struggle between good and evil as Setsuna navigates his complex relationships with angels and demons. The series is known for its intricate artwork and deep character development. It delves into the conflicts between celestial beings and the human world, highlighting the consequences of their actions. Angel Sanctuary has garnered a dedicated fanbase and has been adapted into an anime and audio drama.