Line Ark the last surviving city state in a dystopia of corporations and a polluted Earth. The United States of America the last surviving democracy in a world on the brink of World War 4. what happens when these two countries are transported to a world of fantasy and magic. What desperate actions will they take in the name of survival

One day in Afghanistan, a British Husky TSV carrying Royal Marine Commandos on broad. After a long drive from patrolling the area, then a sudden light has engulfed the British vehicle and the vehicle disappeared without a trace... But unknown to their higher-ups they are in a world that was torn up by a a large-scale war that was equivalent to the world wars. This will put the marine to the test as they live and fight through the Second Europan war alongside Squad E and the Atlantic federation against the Power-hungry, East Imperial Alliance Follow Lieutenant Alistair Marsden and his squad mates as their story that help to change the fate of this world. (I'll gradually add an illustration to some chapters)

The Republic of China suddenly finds itself in a situation that is deemed impossible to happen even by expert scientists. China, now alone must survive in this unknown world filled with magic defying the laws of science and aggressive diplomacy that escalates to war. (I neither own Nihonkoku Shoukan or the Thousan Week Reich Mod)

He is last... he is alone... no one would help him... he's actions is unforgivable, and he is ready to accept his fate.

TL;DR - The protagonist becomes G36

The characters of Genshin Impact were suddenly teleported to a theater by God himself. He wishes them to react to Earth Universe where everything is very fascinating for them.

While Travel in the Warp Guilliman's Ship the Ultramar's Honor have an Engine problem forcing them to crash land to the Unknown universe

A Gate Appeared in Macragge and the sandera have foolishly attack the Ultramarine legion's homeworld and soon they will learn they mess with the wrong People

The Team finds "Death Battle" DVDs, and they watch them in Mount Justice.