This is a story based on Japanese mythology. The witch boy Fushigi An is already a 16-year-old handsome boy. Because of "patricide", he is often tormented by guilt. A few words from the "good guy" Nanachi Kensei saved his bound soul. In addition, his sister Ningzi had an illicit relationship with him. The protagonist's tortuous and bizarre journey to find the sword and the crisis-ridden past life are intertwined, which is very complicated. The content of the story is developed on spirits, witches, thoughts, and magic swords. The protagonist Anji is a witch. The simple explanation of witches is similar to the so-called medium, that is, a person who can be possessed by the gods and has the ability to communicate with the gods. The medium is the magic sword. Nanachi is the descendant of Ume Tomohiko, who cast the magic sword. The two met in Izumo and later got together to find the missing magic sword. From then on, a friendship, love, family affection, supernatural adventure and entanglement began...