They met while the sun was setting down. They smiled at each other, but forgot to tell their own names. Many years have passed, and they met again, when the sun was setting down, just like fate. They dont remember each other, but they believe theres something weird in their heart when they watched the sun setting again, together. ForewordOn 2001, when Kim Ha Na was only 6 years old, she met a 6 years old boy in the beach, when the sun was setting down. They talked and had fun together. Suddenly the boy heared his mom calling, and decided to go first. He ran, and forget to ask about the girls name.11 years latter, Kim Ha Na meet Moon Jongup, a member of boyband B.A.P, in the beach, when the sun is setting down. Moon Jongup himslef is really bubbly guy. Somehow, Kim Ha Na always think about her meeting with 6 years old mysterious boy everytime she thinks about Jongup.So, who is Jongup? Is he only a member of boyband, or he is Kim Ha Nas mysterious boy 11 years ago?And if Jongup is the one that Kim Ha Na searched all this time, why did he left her without asking her name?