Raising the Adorable Villain but why did it turn out this way?

*This is an original story so there will be flaws* "Master!"called an adorable child with a huge watery eyes and chubby cheeks, the small child looked like a porcelain doll Lin Xia looked at the child, something click to her then, she had been reincarnated to the world of her favourite novel! (A millennium years of cultivation, I will become the strongest) the child in front of her was the nemesis of the main protagonist, this child has the blood of all race, his existence was like a bug, whenver he gets killed/defeated, he comes back even stronger. As a reader, she was so annoyed of his existence, why did I had to meet this great lord so fast? Lin Xia sigh in her heart, she had absolutely zero resistance to cute things. The childish kid in front of her did not have any traces of the villain that it will become in the future. A few years later "Master, I am so glad that you have a scar on your face, otherwise how could I possibly leave you alone too many eyes will be on you! I'm enough!"said a otherworldly handsome youth with a smile on his face Lin Xia felt goosebumps all over her! Why the hell is the villain doing kabedon(pushing her/him to the wall) to her? Lin Xia was clueless! Why is he not fighting with the main protagonist for the female lead's love? Why is he not going yandere(Very possessive) over the female lead? What did she do wrong while raising him? What will happen next? stay tuned to find out! If you do enjoy the novel please do vote and support! Thank you very much!!!! The book cover is not mine, I just edited it a bit! Credits to who that person owns it! You can find this book in wattpad as well.