This is a story of Park Chanyeol wanting to build his own family together with Seo Yeonhee, the love of his life that he had been dating for 5 years long now, but he never has the gut to propose to her, because he isn't ready yet and so afraid that he can hurt her and disappoint her at some point. And little that Chanyeol knows that his girl also feels the same way too. Both of them are feel so insecure when it comes to marriage. So, now Chanyeol doesn't really know what to do.