The world has evolved as Combat became more common over the years as countless wars occurred, Humanity changed for the worse as they moved towards their goal of becoming the strongest, Heaven had enough of these humans fighting over literal scraps and decided to take this world into their own hands by wiping out human...
Basically the main Au but everything is way more hardcore. (If you take any type of damage, it will stay unless you have some very strong medicine. Also Windy will appear way more quickly.) I won't spoil it. also please read the main one first to understand this (Small warning, its pretty bad)