They were brothers, but Lu Ye's birth almost ruined everything for Lu Yu.
Lu Yu should have hated him, but because of their flesh and blood love, they have been dependent on each other ever since.
The world is in turmoil and the world is full of bloodshed. He is willing to abandon everything, but in the end it is just for a promise.
Broken life, blood-stained friendship, drifting in the wind.