Xu Guo for the Rest of His Life, Regardless of the Date of Return

Please Recommend a Book, Similar to the Infinite Flow of Ten Days Ending

If You Want to Read Sad Stories, the More Sadistic the Better.

Want to watch something like "I'll let you cultivate immortality, and you'll become a world-destroying demon?" Book. Whether it's a romance novel between a male and female protagonist, or another type of novel, as long as it's a sadistic novel, it's fine

Looking for High-Quality Retro Sadomasochism Romance, Pure Ancient Language

I want to read a book similar to "Moon Locked in a Chonglou".