A woman is the guardian of the earth. She was a woman in her previous life, but in this life she made a wish to the elves to bring peace to the world. After reincarnation, she became a man. In this life, she met a person who liked him in her previous life and helped him regain his memory. He remembered that the person he fell in love with in his previous life also accompanied him in reincarnation, and he began to search for it. In the end, the two of them were still not together because of the conspiracy, and he chose revenge... Everything on the earth changed with it... The ending was that everything changed over time and returned to the original point. Everything became the same, only the original love was forgotten.