After Being Rejected, He Stalked the Heir

[Reunion after breaking up + Marriage first, love later] seven years ago. Chu Yu and Cheng Jiashu agreed to attend Beijing University together, but she broke the promise. The man put down his harsh words and said that he never wanted to see her again in his life. Seven years later. Chu Yu met Cheng Jiashu again in her daughter's kindergarten. One of them was an upstart in a law firm that everyone envied, and the other was a mediocre employee. While Cheng Jiashu was staying away from Chu Yu, he couldn't help but want to get closer. While Chu Yu was staying away soberly, he was sinking in pain at the same time. Until the daughter's biological father comes to visit, what happened back then, and where should the relationship between the two go?