You will always stay in the depths of my memory. What should I do so that I won't lose you?
If possible, I would like to see the sea of flowers in Shangri-La with my loved one and the sea with my best friend in my lifetime...
(This novel uses flashback techniques)
Concept: Not all love can be perfect. There will always be regrets in life. There is always someone who will make you unforgettable and miss you for the rest of your life.