Liu Jia wanted to go back to the past before she turned eighteen because there were too many regrets in the past. After she turned eighteen, she didn't want to go back to the past because regrets were no longer important. Her present is blooming and her past is unimportant. She firmly believes in the butterfly effect. If she goes back to the past, she is afraid... Afraid that she will not be able to meet him, even if it is early or late.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.