JOJO: Madness of Multiverse - Chapter 15: Platinum Suture, Unexpected Muzan

When Lu Yuan woke up, he found himself ten years in the past.Lu Yuan then made the choice no one understood.He liquidated his family fortune, dumped billions into “worthless” relics, and earned the title of the biggest idiot heir alive.But no one knew that three months later, the Global Awakening would arrive. Humanity would evolve. Alien horrors would invade. And cash? Just colored paper.Armed with knowledge of the next decade, Lu Yuan began his insane preparations. He spent billions to claim treasures no one else valued: the ancient Bodhi Tree that granted billionfold talent; the complete Dao De Jing; a farmland where a landed meteorite held a celestial sword embryo.The world mocked him as a prodigal heir. The antique world whispered about a mysterious buyer.The world laughed at him until the Awakening came. Then they trembled. Lu Yuan was invincible across the earth.Beneath immortals, none can defeat me. Before immortals, I’ll trade life for life.

Collection of short stories.

- Description from Novelupdates

In the year 2220, a radiation source in the Pacific Ocean, tens of thousands of times stronger than a nuclear bomb has begun mutating exposed creatures into horrific monsters thousands of meters long. Mankind’s only hope was nuclear weapons, which only made matters worse. The combination of the natural radiation and nuclear radiation released an incurable and highly infectious virus, turning the 90% of the world’s population into violent zombies in mere weeks.