There were many erotic novels where the male protagonist turned dark, and some of them might include the following contents: - "The Founder of the Devil Dao": It was about a young man from a poor family, Wei WuXian, who gradually became a legend in the martial world after receiving the help of a spiritual dog, but he also suffered a lot of injustice and suffering because of it. The process of Wei WuXian's blackening gradually deepened. - "Fight Through the Heavens": It tells the story of a young man who was born disabled, Xiao Yan. After obtaining a mysterious power, he gradually grew into a powerful Dou Qi continent expert. However, he also suffered a lot of injustice and suffering because of this. Xiao Yan's darkening process gradually deepened. - << The Peak of Martial Refinement >> tells the story of a young man from a poor family, Lin Jing, who gradually became a genius in the martial arts world after obtaining a mysterious martial technique. However, he also suffered a lot of injustice and suffering because of it. Lin Jing's blackening process gradually deepened. These novels were all very classic novels about the male protagonist's dark and indulgent beauty. The plots and characters in these novels were very attractive.