Over the waters of Manhattan, a living weapon is reduced to a puddle of liquid flesh by nuclear fire. In another world, a princess calls for the one who is to be her familiar. Whether through coincidence or fate, their lives are now inextricably intertwined and their destinies changed forever.

He had been captured; Alex Mercer knew that much was obvious. But if that was the case, why had his captors just left him there without security? How had he ended up in a bunker buried in some kind of giant desert? Where was everyone? And when the hell did bottlecaps become currency?

A blatant self-insert wound up in Gensokyo because reasons. Now, armed with only mediocre wit, and mundane tools, he must find the means to not get completely destroyed by the friendly locals! In doing so, he winds up involved in strangely unfitting incidents because I'm bad at writing fanfiction! If you're here you're probably bored anyway, so why not stop by for the fluffmania?

The Gate opens, but brings with it horrible demons that now blight the land. With this demonic horde however, also comes their bane, a man... clad in green plate.

A teen goes to ComiCon cosplaying as Alex Mercer, and winds up getting himself Displaced to Equestria after buying a Blackwatch pendant from the Merchant. These are a record of his (mis)adventures as a viral shapeshifter. [PROTOTYPE]/MLP:FiM. Alex Mercer Displaced. Also on FiMFiction.

Running from his bullying cousin, Harry sends himself into Gensokyo, dropping right into the Hakurei shrine. Reimu now finds herself saddled with an extra and permanent shrine mate. 'Well at least he's willing to clean after himself. Unlike those other freeloaders . . .'

Ragland told him that he had seen some of the worst that humanity had to offer. Now he asked him to go look for the best. But Alex Mercer never imagined that the search would take him and Dana to another world, or that he would come to learn just what it was that separated monsters from heroes.

Hancock Smith received an email from a company about being a tester for their prototype. during the test, the prototype malfunction, and engulf him then transfer him in another universe called Gensokyo along with the prototype. Now its up to him how he will survived and cope in this strange foreign land.

When Saitama suddenly ends up outside of Wall Rose, he quickly becomes humanities' savior. With no way of getting home, he accepts his role... kind of.

Running out of options in the face of the oncoming Grimm invasion, Ozpin turns to his last hope for Beacon's defense. An ancient monster, old beyond counting, wise beyond measure and powerful beyond imagination, enters the Academy, disguised as a student. Blacklight is back, and facing his final obstacle to become the ultimate life-form. Four years of school. Easy, right?

An OC finds himself in Gensokyo courtesy of Yukari, and decides to make the most of it. Can he survive and grow stronger despite being just a normal human? Rated M for violence and content. Note: MAINLY the latter. Slow updates!