Most animes are just advertisements for the manga, and most mangas are just advertisements for the novel. Tbh, nowadays i just cut out the middle man and go straight to the novel.
Really a painful read. Why not just walk up to the bad otherworldlers and assassinate them in their sleep? This is just designed to put main cast in a pinch where they really didn't need to be. This hamfisted manufacture of dangerous situations is really nauseating.
"ghastly creatures that seem to inhabit our world but not interact with it - unless they notice you acknowledge their existence"
... sounds a lot like the crackheads in the gas station parking lot at 2 am
The premise at least makes a lot of sense. Whoever works the hardest and gets the most work done gets rewarded with... more work. Weaponizing incompetence and doing the bare minimum to just get by doesn't sound so unreasonable in this case.
Maybe the Manga adaptation got refined from the original WN, wouldn't be the first time that changes were made to WN source material as they often times aren't exactly the best written.
Spoiler: Japan wins. (obviously)
This is certainly not a flawless manga but i love rushing science in Civ and crushing countries that fell behind so much that in my eyes it's a straight 10/10.