The noble guardian blood of the Qianyu family flows in his body. He was raised as a girl since he was a child. He went to study in England at the age of ten and fell in love with his childhood sweetheart Nanako. When his fiancée was possessed, he also unlocked the seal and inherited the guardian blood of the Qianyu family. Monsters and supernatural events are about to break out. In his destiny as a spiritual guardian, he will encounter all kinds of ghosts. What he wants to protect is his family's fate or the people he loves.