Am I Incarcerating Myself in a Madhouse?

Forensic doctor Xia Mingmo encountered a corridor he had never seen before in the hospital. After passing out, he accidentally traveled to Bai Yun, a student in a different world. When Xia Mingmo woke up, there was a book called "Honesty" beside him. 1. My rules are all correct 2. I can answer your questions, but you may need to pay a price. 3. There is an error in the book, which could appear anywhere. When Xia Mingmo put it down, the word "honesty" slowly disappeared. No one knows what happened. In order to understand the truth about himself, Xia Mingmo signed a contract of sale with an abandoned hospital called "Madhouse" and woke up: Crazy! After being promoted to level 1, Xia Mingmo had the madhouse tamper with the order of his memory. After being promoted to level 2, half of Xia Mingmo's memories were imprisoned by "himself" in a lunatic asylum. Promoted to level 3 and was "honestly" plotted! Xia Mingmo suppressed all the remaining memories. He only remembered that his name was Xia Mingmo, not Bai Yun. … Until Xia Mingmo realized that he was the "fake"! This is the story of a dying man trying to live.