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An ordinary high school boy accidentally discovers that there are other souls sealed in his body. He finally understands the truth about his dual personality and can freely shuttle between the two worlds of magic and reality. A stern and cold-faced teacher is entrusted with the important task of educating and protecting young people. Underneath his cold appearance, there is a soft heart, and he uses his life to explain what a man's forbearance is. A mysterious place, Nixian Mountain, is a paradise for some people's "true selves" and a place where free souls can roam freely.