To the Dearest Intruder (2015)

Sinopsis

Sometimes best friends like all the same things. But what happens when one of those things is the same man? The friendship of two college friends – Jia-en and Shao-qing – falls apart when they fall in love with the same man, Yan Hao. After a devastating family accident, it seems there is a resolution in the love triangle; Jia-an and Yan Hao get married. But ten years later, when they reunite once more, Yan Hao realizes that he is with the wrong woman and tries to make things right.