Jiang Yuqing, who has died mysteriously for many years, has too many unsaid words.
In order to solve the mystery, with the blank diary dropped by the heroine, her first love Tang Chuan entered the loop.
Tang Chuan can only stagnate until he is thirty in each life. Before he finds out the truth, he will return with his memory to the afternoon when he met Jiang Yuqing when he was thirteen.
"I am Tang Chuan, who is in the third grade of junior high school (6), and I owe you a favor from now on."
After many lifetimes, different choices affect the whole body.
After many lifetimes, the truth about the death of the heroine is revealed, and the hero finally gets back on track with his life.
Purpose: Cherish the present moment, we never have the chance to start over again.