What Does It Mean That the Sex-Transformed Ancestor Was Turned into a Yandere by You?

(System) ➕ (Gender Change) ➕ (Time Travel) ➕ (Yandere) Su Qingyan, a demon emperor, was defeated by hundreds of powerful men. After his death, he was reincarnated into a slum girl with no cultivation and mediocre qualifications. "I want to take back everything that belongs to me in this life... Wait... Why did I become a woman!" On this day, Su Qingyan was so hungry that he came out to sell himself, "I didn't expect that this emperor, a majestic emperor of the demon clan, who has loved countless women, would sell himself today..." After being bought back by a dark-haired man, a series of stories happened. She had already resigned herself to living her life with a dog man like an ordinary woman, but she unexpectedly discovered that the dog man turned out to be hers... What else can she say that she has a previous life? ? ?