[Weird Immortal Cultivator]+[Unlimited Sword Male Mainstream]+[Early Unhappy Article]+[No Harem]
The protagonist Li Yangque. Killed by a little girl named Meng Wuchang. 179 Times, he finally fought back and was driven crazy and sent to a mental hospital. After entering mental illness, he traveled to a world called the Yin and Yang Realm.
This world is quite strange. People cannibalize people often. In it, people are both a resource and a training tool.
Pretty good.