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As a member of the time-travelling family, I feel honored that I have traveled back in time to the royal family, where I was still a dandy prince who didn't care about anything. The eldest sister, the emperor, is protecting him above him, and the emperor's sister, the general, is pampering him below. The only drawback is that not a single handsome man in the capital likes him. There is also a heroine who is loved by the world, alas.

The apocalypse is coming, and zombies are breaking out all over the world. In order to research the virus that is most suitable for human immortality, Dr. W created a monster named No. 1, The most brutal killing machine. When the human crisis broke out, the birth of No. 1 Caused indelible damage to the world. In order to save the world, the protagonists fell into reincarnation again and again, just to find a breakthrough to end the demise of mankind.