Hana and Baekhyun were childhood friends. There parents were really good friends,too. One day, before little Baekhyun had to move to to America, Hana and Baekhyun made a promise. The promise was to be best friends forever. Then they went to dig it up under a tree in the park. During winter that year, Hana and her parents got into a car crash. All she could remember was her parents laying dead on the snowy ground. Hana has lost all of her memories ever since