To the Dearest Intruder (2015)

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.