Jsdf Stories

August 2025. A gate appears in Zen, a densely populated shopping district in Thalean, Equestrian, summoning an army of medieval armor and attacking. However, ENA manages to repel them. What will happen next?

Hello there. 'General Kenobi' Jokes aside, this is my first attempt at writing. Let me know if I do something wrong. Also, I'm using my own lore. Obviously, i do not own GATE: Thus The JSDF Fought There. Back to the description. June 6th, 2044. The United Systems of Mars. "What do you mean the 37th has been transported to a fantasy world!? Wasn't the warp supposed to be set for a new multiverse? God, I need a coffee..." -Delta 1-2, USM Infantry Command, Marine Colonel. "By the creator, can this get any worse?" -M8A2 HQ Commander.

It's another day for Itami and the third recon to patrol and survey the Special Region until General Hazama orders him to investigate a new portal in Kaisho Forest...

20,000 years before the gate opened, a systematic killing was led against the followers of Baphomet, the God of Evil. no one knows what happened to the god nor his Apostle. But it is believed that when his followers died, so did he. oh how wrong they were. the gate opened and that foolish empire decided to play god, now they are paying for it. Baphomet can't take his hunger for vengeance against those who wronged him and his people any longer. it was time, time to choose another Apostle.

The snow swept through the former continent of the United Kingdom of Rytom. A war looms on the soil Olokova Federation and the Republic. But something joined in the war...a fate have emerge in a ruined city that was reclaim by the Federation, what could be in that Gateway? We shall see.

(Heisei & Gemstone Godzilla Jr x Godzilla Ultima) They'll first meet in their sub-adult stage before having to fight Destroyah in the future .... Yay! (T^T)

(After the events of Halo 5) After the covenant threat was over.A roman styled gate opened on the world of sanghelos. Commander Y/N L/N a Sangheli a veteran from the Human-Convent war was sent there to investigate to see what's going on. Then a Primitive army came in and charged at the Sangheli however due to there advanced technology that pushed them back. Now Commander Y/N has one task deal with the Empire that call themselves Sadera and force them to surrender however he will go another world and find allies with the 21st century JSDF.

the empire of new america the sole nation on earth has created a gateway to another world filled with new discoveries. What will they do when they discover a two way conflict between a nation they once knew years ago yet different at the same time and one still stuck in the medieval times? And is that magic? Disclaimer: I own nothing but the story. All characters and ideas belong to their respected owners

Ah, yes, the old rivalry of greens and tans, let us see what these human sized sentient toys will do, left to an empty, uncaring planet, before being unleashed upon a universe. we will follow the adventures of a tan called The Marshal, i mean, they are really expendable, actual names are quite rare. We don't speak about Bob

My favorite Nintendo character is Wario, so I want to see what happens if he messes with other universes. I will let the readers choose what universe he visits, but the first one will be the GATE universe. I will be using all of his known abilities in his quest for gold, including the feats from the lesser-known manga. Enjoy! Rated T for NSFW (Nobody Survives Fighting Wario) content. I own nothing!

It has been 60 years in japan After godzilla was killed. The G force was born to defend earth from any monster attacks but with the gate open and armies from another world attack it then made it worse. Godzilla returns and enter the gate to another world. Will G force and JSDF able to defeat godzilla or will they be shame from Godzilla's victories.

"The Imperial Japanese forces occupying the Second Gate soon encountered an unexpected factor that would alter the fate of three worlds. Newly promoted and hailed as the Hero of Japan, Captain Yōji Itami of the Imperial Japanese Army's Mainland Defense Task Force was deployed to a remote region beyond the gate. There, he faced unforeseen threats and was tasked with forging alliances to secure the future of the Japanese nation."

Three gates open, linking eras of war. The armies of Battletech, Command & Conquer, and Supreme Commander step into a fantasy world, colliding with the JSDF of Gate. Alliances form, empires clash, and the world becomes a chessboard of titans, knights, mechs, and dragons. (Battletech x Command and Conquer x Supreme Commander x Gate: Jieitai Kano Chi nite, Kaku Tatakaeri x Lord Marksman and Vanadis)

This is a simple short story I wrote. it's not Much but oh well, I hope you enjoy.

What will happen if an off-duty ranger officer was in Tokyo when the gate opens Read to find out Note: I don't own anything except my oc

In World War II, The kroxonican empire attack the allies and axis powers with advance technology. Many nation from both allies and axis decided to work together to stop this alien threat. The earth nations developed a weapon to weaker this invaders. After 4 months, 56% of the kroxon species population have been destroyed has many of them couldn't handle this human new weapon. The kroxon army surrender after learning this weapon will destroyed their species. The species told the humans their origins where the last species when they're planets has ran out of resources, which result of the many wars to take the last of resources on their planet. However they're didn't aspect humans living there, Seeing humanilty has a threat they're decide to invade it. Which result of losing. The human government where completed shock that the kroxon where leaderless and no way. United States, United Kingdom, Nazi Germany, USSR and Empire Of Japan demand the alien species hand over their technology. Leaving no choice, They're gave many advanced tech to the humans. The kroxon species fled to america, africa, middle east and asia continents made it their new home. They're created the kroxonican republic, However, The kroxons mobilized their military with human blueprint from WW2 and Cold War era, They're were not advanced as the humans. They're didn't to involve this new war. In 1969, A mysteries roman struggle appear in the capital of kroxon capital, When roman army attack them, When the kroxon repelled them, They're send their military to the other side. However, They're is a second gate from the JSDF came from. How will the JSDF, UN, and the rest of the modern world react to this new species that came from the earth 60s? Will they're been peace between kroxon and this..... parallel humans?

this is a crossover between Gate thus the jsdf fought there and death mage who doesn't want a fourth time. i will do my best to make it a good crossover. note: all rights belong to their respected creators.