Li Jiangxing is an ordinary boy who has been out of school for a long time due to a serious illness. One day, guided by a dream, he suddenly learns that a monster known as a "demon" dwells inside his body. He also encounters an angelic girl clad in silver-white armor, with wings of light on her back. As a demon, Jiangxing is hunted by the world. Realizing how deeply he longs to survive, he decides to face himself honestly and wholeheartedly, and dreams of humans, demons, and angels living together in harmony. And so begins the story of Jiangxing and the angel girls.
