What Villain System? This Is Clearly the Righteous Way of the Immortal Realm

[Cultivation, no romance, no-brainer wish fulfillment, sibling affection, sweet on the outside and dark within]

Yin Qiaoyu suddenly finds something in her head claiming to be a villain System. It says it's some kind of world-saving entity formed from the spiritual energy of heaven and earth. What a load of nonsense! It also claims to know exactly how this world works, but why does the future it predicts involve the Son of Heaven's Mandate, “Long Aotian,” who will kill me, being my own older brother?