I think this ending should be Chen Yufeng's happiest ending. Of course, they are all knives for readers. It is worthwhile for you to ride a knife south. )
From the moment Chen Yufeng was tempted by Yu Ge, his ending could not be good.
If both brother and sister-in-law can be saved, the younger brother who is in love with sister-in-law is doomed to be an embarrassing existence.
If my brother can't be saved, there is no possibility between him and Yu tuisi, because the dead are the hardest to surpass. In fact, Yu tuisi is so clever that I think he must have noticed Chen Jifeng's intention. In fact, he has been drawing a clear line between the two, including emphasizing that he protected Chen Jifeng because he was a "lover's brother" and before his death.