Quick Transmigration: The Yandere Villain Is So Charming and Teasing

They say cannon fodder female supporting characters are destined for a bad end? Lan Shuang asserts that it's not yet decided who the true cannon fodder is. Because the tragic deaths of female supporting characters have caused an overload of resentment, thus affecting the balance of the three thousand worlds, Lan Shuang, a senior tasker from the Space-Time Administration Bureau, proactively volunteered to travel through various planes to save these cannon fodder female supporting characters and dissipate their grievances. For instance, the duke's legitimate daughter was swapped, and upon her return, her father despised her and her mother had no affection for her...