After Eight Years, I Walked Away
He is the son of the richest man, and he hid his identity while dating her for years. Just as they were about to hold their wedding, she suddenly came to him and announced that the wedding would be postponed—because she was going to help her first love get married and have a child. Furious, he broke up with her and married the childhood friend arranged by his mother, returning to his family. Only after learning his true identity did she regret it beyond words.