You and Mingi were best friends throughout your adolescent era. The years passed by swiftly, and now you're both busy working and pursuing your ambitions. However, after turning 25, the question of marriage keeps on coming up. Relatives and friends are constantly asking, "When will you get married?" This reminds you of the foolish promise you made as teenagers. If you and Mingi are truly desperate to find love, you promised to marry each other.