Becoming evil makes you ten times stronger, but becoming a demon gives you hundredfold strength - Chapter 88 - 77: Spring flowers and autumn moons casually pass by

Shaymon, the man who has achieved the apex of dark magic, is framed as being a Demon King and is killed.

[Congratulations! You are the Pioneer of the Mutation Abyss. Brace yourself - The Apocalypse begins now…][Main Quest: Eliminate Fellow Survivors][Description: The strong will thrive, and the weak will perish]Theo was never lucky. Bullied for his appearance and always underestimated, he lived his life as a pushover. But everything changed the night a meteorite struck him. His life takes a drastic turn.Chosen by the Mutation Abyss, he gains access to a mysterious system, granting him an evolutionary advantage.The world is doomed. An infection is spreading, turning the world into a deadly battleground. As the human Infectees mutate and portals to unknown realms open, otherworldly forces threaten humanity’s survival.Theo must harness his new abilities to survive in this brutal world. But in a place where strength is everything, will Theo keep his humanity, or become something worse?

Have you ever wondered what it would feel like if your dick exploded? Or if voodoo or black magic actually worked?Axel got a crash course in both after leaving a one-star review for a trashy smut novel where the hapless author-san offed a minor villain. Little did he know that this particular author had some serious power.Suddenly, Axel found himself in the body of the very villain he was lamenting, right at the moment when everything was about to spiral into chaos.Now, with a second chance at life (and a brand-new set of problems), Axel must navigate the wild world of villainy—complete with explosive consequences and dark magic—if he wants to rewrite his story before it ends in disaster.

I returned after 10 years.