He is the son of a powerful prime minister who causes trouble all day long and disturbs the people in the capital. He is also a mysterious killer who changes the world from time to time and stirs up the changes in the world.
The greatest love has no hatred, the long-term love has no resentment, and the righteousness has no regrets.
Just to give the world a peaceful world, he broke out of his cocoon and became a butterfly with his passion to compose a soul-chasing tune, a farewell song.
When everything is settled, who will know that his only wish is to break off the first branch of spring in the world for the girl with whom he was a childhood sweetheart...