I am a primary school student and it is my first time to write an article. Please forgive me if the content is not good.
"Xia Chi and Qi Yan have been dating for seven years, but they only found out the truth on the eve of their wedding - Xia Chi was just a substitute."
Concept: The heroine spent seven years in a long-distance relationship to finally get a wedding with her sweetheart, but she learned on the eve of the wedding that she was just a stand-in.