Zeng Li and Yu Yi broke up because Yu Yi went abroad.
When Zeng Li was still in adolescence, she had a crush on Yu Yi.
Although they are cousin and cousin-nephew relationship, but more intimate neighbors. The two have been together since childhood and have a very deep emotional foundation.
Yu Yi is a person who loves learning very much. Because of his outstanding achievements, he has the opportunity to go abroad for academic research. The two also broke up because of this matter.
When Yu Yi returned to China, Zeng Li had already fallen in love with Ai Jingchu.