Qinxue is the only heir of the Aimian family. He grew up with the two brothers Guqin and Xylophone. When she was five years old, the xylophone came into the world. In the human world, Xylophone completely turned into a bad guy. In order to rescue Xylophone, Qin Xue and Gu Qin quietly sneaked into the world. Qin Xue is fifteen years old in the human world, and is in the youthful and passionate age of life. But after they finally found the xylophone, they found that the xylophone didn't even recognize them. In despair, they discovered that there was more than just a xylophone in the world...