If you are a butterfly, I would like to put on the most beautiful wedding dress for you. When you dance gracefully, you will be the most beautiful fairy among the flowers.
If you were a sword, I would like to be the accessory on your hilt. I won't let you be alone. Wherever you are, I will be there... For the rest of your life!
When they were children, they were carefree and made lifelong promises. After a sudden disaster and a reunion after several years of separation, can the two still keep the promises they made?