The Birth of an Apocalypse Fiend

[System + reborn + growing villainess protagonist + no CP + ensemble cast]

After the moonlight shone down on Blue Star, the planet began to change. Blue Star grew larger, and plants and animals underwent massive mutations, squeezing the living space available to people. Humans evolved and mutated as well, driving everyone to fight over the space they needed to live. The old social order began to collapse completely.

I was swept along by this world, and no one knew what kind of abyss I had fallen into.

I hadn't done anything yet, but everyone had already sentenced me to death.

Come on in and take a look. If it's not for you, you can leave!

I'm no good at writing introductions, so please check out the story itself.