Narcissistic Little Sun X Innocent Big Man
Well, there are a lot of knives in there, but it's not important.
There is a pair of master and apprentice who fall in love and kill each other. The master is gentle in the early stage, but starts killing in the later stage. The apprentice is obedient in the early stage, rebellious in the middle stage, and collapses after knowing everything in the later stage.
In short, the ending is Be.
Chuan Jiezi: Well, yes, how could there be someone as handsome as me in the world.
Mu Changji: Master...
Chuan Jiezi is just a little narcissistic, yes, just a little narcissistic.
Intention: Never give up, never forget