Falls in Love (当总裁恋爱时) by Shen Cangmei. The series received praise for its witty dialogue and unique storyline, and ranked atop the ratings chart.
Gu Cheng Ze, the adopted son of the Gu family, is the CEO of Gu Mall Corporation. Mrs. Gu wishes for her biological grandson, Gu Jin Yu, to take over the company, and Gu Cheng Ze is tasked with guiding the rightful heir towards becoming a respectful businessman. During this time, he meets fashion designer Li Yan Shu and discovers that she is Gu Jin Yu's ex-girlfriend. He decides to hire her to motivate Gu Jin Yu, who still harbors feelings for Li Yan Shu. The plan works because Gu Jin Yu decides to join the company and pursue her. When Mrs. Gu finds out about Gu Jin Yu's feelings for Li Yan Shu, she is livid and tells Gu Cheng Ze to separate both of them. This creates an opportunity for Gu Cheng Ze and Li Yan Shu to get closer to each other.