The plot tells the story of teenagers and girls who are teased by fate to choose their own way of life in an era of runaway climate regulation. In the summer of freshman year, the young fan ran away from home and came to Tokyo alone. Fan Gao had a hard time finding a job, writing for a strange mystery magazine, living alone and poor. Days of torrential rain seemed to reflect his loss. In the corner of the diverse metropolis, the sail met a lovely girl Yangcai. Yangcai and younger brother depend on each other, strong personality, cheerful, but she hides a big secret in her heart whenever she says: now it is sunny! The rain gradually stopped and the beautiful sun fell on the street. It turned out that she had an incredible energy, a power to clear the sky.