In the 21st century, Lin Yu, a girl who went to the dog's grave in vain, was restrained by a mysterious force and traveled to a world where humans, monsters, and gods coexisted. Later, she learned that only by finding the seven-color spiritual sword in that world can she open the door to another world. When she returns to the 21st century, how many secrets will be uncovered in the process of searching for the sword? Should she continue to pursue the love she had in her previous life or should she let go calmly?
After returning to the 21st century, what kind of wind and waves will be caused when we meet them in that world again...