An Elementary School Student Leads the Third Reich to Revival in the Apocalypse

Looking for Hardcore Military Fiction

I don't need things to be ultra-realistic, but please don't give me ridiculous stuff like a passenger plane doing a Cobra maneuver, hitting a target with iron sights at 800 meters, or holding down the trigger without letting go...

Any Books About Being Reborn in Germany During World War II?

I remember reading a novel about a reborn protagonist in wartime Germany, but I can't find it anymore. Does anyone know where I can read it?

Apocalyptic Stories with German Equipment

Looking for Stories Where the Protagonist Turns Into a Weapon, Like a Plane, Gun, Tank, or Warship

The protagonist becomes things like planes, guns, tanks, and warships.

Please Recommend Books About the Second German Reich, the Third Reich, and the Holy Roman Empire

Douluo: Yu Xiaogang Looks Down on Him for Having a Twin Martial Soul Made Up of a Sword and a Gourd

Are There Any Stories Set in Germany During the Apocalypse?

Any Single-Protagonist Doomsday Shelter Stories? No Women, Decisive Killing, and a Reasonable Protagonist

Novels About Summoning Modern Soldiers