The Mighty Empress's Brother, Who Practiced in the Womb, Is a Lunatic

The supreme female emperor of the Immortal Realm is betrayed by her disciples and, with no other choice, falls into the lower realm of Jiuzhou. She becomes a female fetus in the belly of the Ye family's daughter-in-law, and vows to take revenge. But it seems there's another rascal in her mother's womb competing with her for cultivation resources. And this guy doesn't seem quite right in the head...