It is an independent chapter of Lu Xiaojia's fan fiction "The Continuation of the Rivers and Lakes", which is an expansion of the short story. The story line up to the beginning is equivalent to a small prequel to the main film.
The redeemer of the black killer, the light in the night, mutual redemption, the mutual redemption of the fallen. Look at how the two men in black turned into a swordsman in white and a cold fairy in green in Jiangnan Restaurant.
[It is recommended to read the main text first and then read this. This is only to supplement and enhance the sense of fate. The mood may be different if the order is different]
Concept: Lu Xiaojia, "Renewed Fate in the Rivers and Lakes"