World Name: Earth
After the main character was reincarnated with his memories the earth changed in accordance to this change
Humans are now superable
Animals are now stronger
Natural disasters occur more frequently
Power System: Perks
MC has Evolution System
After reaching a threshold in his species he has a choice to change species
Arcs: Ant -> Fish -> Bird -> Large Mammal -> Human -> Elf -> Dragon -> God -> Primordial