Return from Rebirth: I Warned of the Doomsday a Year in Advance

Rebirth and counterattack + doomsday + science fiction + passionate resistance + single female protagonist. Xiao Yu, in his previous life, fought bloody battles with alien beasts derived from mysterious realms for hundreds of years, and finally died in the mouth of a giant crocodile beast to protect mankind. On his rebirth day, he opened his eyes and returned to the year 3025 - only one year left before the end of the mysterious realm, the collapse of the continent, and the rampage of alien beasts. Pictures of his mother's death with hatred, his lover buried in ruins, and the tragic death of three billion compatriots in his previous life surged before his eyes. This time, he held on to the "Doomsday Notes" he had exchanged with blood in his previous life: the rules of the explosion of space cracks, the fatal weaknesses of alien beasts, and the screening conspiracies of higher civilizations... From warning governments of various countries, to forming a scientific research team to develop energy shields, from training "gene warriors" to laying out a "global defense network", Xiao Yu took "In this life, I want to protect everyone." The obsession flows against the current of doubts and conspiracies. When the purple-black cracks tore the sky as planned, and when the claws of the rock-armored beasts swung towards the city again, humans were no longer lambs to be slaughtered - Xiao Yu stood in the command center, looking at the dense defense network on the satellite screen, showing determination that he had never seen in his previous life: "Doomsday? This time, we are the rewriters of the rules.