A person is cultivating immortality, and at the beginning he is madly favored by the villain

She was a forsaken little half-demon, nearly starving to death when the Immortal Sect adopted her. Naively, she thought she had a family, but she didn't know the Immortal Sect's entirety despised the lowly demon race. Her master hated her; her senior brother disliked her; even her sword spirit ran off with someone else! No matter how hard she tried, she remained universally disliked for over a decade. ...After hundreds of thousands of years, even a dog could develop feelings, yet they abandoned her to die in a secret realm! It was the demons, considered heinous by the world, who collected her body. When she opened her eyes again, she found herself back at the moment she was about to be adopted by the Immortal Sect, with the Immortal Sect and the demons facing off before her. This time, she recognized...