After Traveling Through the Book, I Became the Ultimate Boss of the Apocalypse

[Childhood sweethearts, 1v1, superpower, apocalypse, no logic] Mu Lingyin was confused. It was worn by the villain boss of a doomsday movie with no CP text. ……Um? The current villain boss seems to be only five years old? Fortunately, fortunately, the villain boss has not destroyed his family yet, nor has he killed the heroine's little cousin, nor has he formed a quarrel with the heroine. He just wants to live a good life from now on. It seems like we haven't reached the end of the world yet? That would be even better, prepare supplies, exercise physical fitness, wait a few years, use your own abilities to protect your family and friends in another world, and try to survive. But... Why did she become so strong by accident? ? Also, why is the original owner, the elegant, clean, gentle and considerate Zhuma, looking at her more and more wrong...