My Secret About My Young Secretary

Hi this is my second book.Thank you for reading this story about Xu Jiaqi and Yu Yan.Please support my first book to which is 'I will protect you'.It's about Xu Jiaqi and Wu Zhehan which was one of the most popular cp in snh48.Eventhough it's technically a dead cp but please support the book.And Thank you again for reading!!Enjoy!!

Xu Jiaqi is a 17 years old is a Highschool student at Youth High.She is known for her intelligent,a president of student council,dancing and basketball.She is what a boy/girl wanted.She have a lot of admirer at her school.
Yu Yan is a 22 years old Ceo at the most known company called YX company.She had been the boss for at least 2 years after her father gave her his company because he said that she is old enough to manage a company and well he is right about that decision.She actually known Xu Jiaqi since Xu Jiaqi and her was little.Her parents was her parents bestfriend since little.So Yu Yan had met Xu Jiaqi even went the kid was a baby.Went she was about 15 she had to go study abroad to prove herself about the truth about the promise she made with Xu Jiaqi and will not break the promise that she made with Xu Jiaqi at her 12th birthday party.

What is Yu Yan promise that she make with Xu Jiaqi?