The story stems from two songs. "Tripping" and "Purple".
Wei Teng is a child adopted by Ruoruo's family. They can be said to be childhood sweethearts, inseparable from each other. But one day Ruoer fell in love with the Japanese idol Kamenashi Kazuya and tried every means to go to Japan. Wei Teng left sadly. Until one day, they met on the streets of Japan. The story unfolds...