Worldwide Beasttaming: I Can Design Evolution Lines - Chapter 20

[A Slime Monster Evolution LitRPG]Our protagonist was set for what should have been a good life; born as a noble prodigy with a talent for Dimension Magic.Unfortunately, they did not get a chance to live that life of adventure, wonder, and accomplishment as they died an early death.However, a kind(?) grandpa gives our protagonist a choice for the next life; instead of having a generic life starting from zero, why not join one of his experimental reincarnations not yet approved?However, the experiment was a lot... Slimier than expected.What to expect?- Monster evolution and mutation- Traits and skills- Collect-a-Thon- Lots of experimentation- Adventurers and Dungeons- Deception and Disguises- Magic- Lots of slime

I was proposed to by the Final Boss.

This is the story of a modern sailor who was accidentally reborn as a soldier of the Brazilian Expeditionary Force, and finally became the largest plutocratic family in Brazil by virtue of his foresight.

- Description from novelbuddy

Riding out the apocalypse on a tropical island isn't exactly a vacation. When mana arrives on Earth, Coop finds himself isolated in paradise with only one real option to survive. He needs to claim a civilization shard and level up. Coop maximizes his chances by carefully selecting a class and committing to progression. He’ll need to grind thousands of monsters to compete on the system's leaderboards while upgrading his settlement to represent the factionless.