You and Heejin have known each other for several years, because your mothers are friends. You yourself treat each other neutrally and hardly even communicate. Your mothers planned to set you up together as children, but neither of you know it.

Yesterday evening you got very drunk with friends at a bar. Somehow, you woke up in the house of Heejin and her mother.

You woke up some morning, with a very sore head from a hangover. Slowly digesting what is happening, you realize that all the time you slept in someone else’s bed, thank God, alone. Rubbing his eyes, one person enters the room...

This is Heejin. Mom's friend's daughter.