The most popular person on campus, a pretty face with smiling eyes, a friendly-yet-awkward classmate…that’s all Sung-yeon ever was to Hosik. But after a wild night out, Hosik awakes with zero memories of their time together - and one naked Sung-yeon in bed next to him! Hosik would have been fine with leaving their relationship as a drunken mistake on a night of many; but when he started feeling funny in the following days, a trip to the doctor’s office would change everything: “Mr. Kim Hosik, you’re pregnant!”