as far as i know they do not end up together. Nian xi loves her fiance but he is confused i think. He cares more about Nian junting ex gf. Though nian xi pointed it out many times,but still the same issue.Finally she broke up the engagement.Then there is this another guy who is a genius who is interested in her. But i didnt have enough patience to find out more through raw.But if anyone has read plz give us their spoilers.