There are many novels where the female protagonist is a snake demon. I recommend a few for you: 1. " The Imperial Physician Is Not a Concubine ": The female protagonist, Lin Haihai, saved a poisoned thousand-year-old snake demon in the heavy rain. Unexpectedly, she was infected with poison and was sent to another world. She was reborn as the princess consort that the prince had divorced. She relied on her medical skills and the energy left in her body by the snake demon to rise up. 2. The female lead, Qiong Qiong, was originally a descendant of the Nuwa Clan, but somehow she became a snake demon. In another world, she had tried to marry the crippled and disfigured Imperial Preceptor on her path of cultivation and cultivate together. 3. " My Husband Is a Snake Demon ": The female protagonist Ling Feifei somehow transmigrated to a female prince with a snake tail. In order to make do with her life, she began to search for true love in another world, but unexpectedly met her " husband "-a snake demon. I hope you like my recommendation.