Erawan Buddha: You Must First Learn to Be an Obedient Dog (Fan Xiao X You Shulang)

Help Me Find a Post-Apocalyptic Novel with Two Male Protagonists😭😭i Can't Find Him

The male protagonist is born with painlessness and travels through an apocalyptic novel. It seems that because the male protagonist is in a higher dimension, he cannot die in the novel world. The system says that after helping the male protagonist in the novel become king, he can be killed by the male protagonist (it seems like this plot😭😭)