Bai Yan never expected his life to change because of a pink portable space—let alone one that came with a self-proclaimed system called Barbie.According to the system, its mission is simple: make friends with the villain.To recover an item left behind by his long-missing parents, Bai Yan is forced to follow the system’s arrangements and transmigrate through multiple worlds. In each one, he encounters the figure labeled as the “final boss”—individuals destined to become antagonists, feared or opposed by everyone else.Rather than fighting them, Bai Yan approaches each world with a calm and practical mindset, choosing cooperation over conflict. As he completes task after task, he gradually uncovers the truth behind the system, the recurring presence of one familiar soul, and the reason these worlds are connected.This is a lighthearted quick-transmigration story about strategy, trust, and steady companionship—where survival depends not on defeating the villain, but on understanding them.