Rin Tohsaka travels to Academy City to participate in the Fifth Holy Grail War, in order to win the Grail and fulfill her father's legacy. After meeting with a certain unlucky Level 0, she finds herself in an entirely unorthodox conflict, where the rules are utterly broken, and the world of Science and Magecraft collide. (Full Type-Moon/Index Crossover)

Nobody expected project Mewtwo to fail but by a twist of fate Mewtwo is now one of the Misaka sisters how will the (supposed and former) Legendry Pokemon fare in this new life ?

Three very different girls. Each a powerful Esper in the miraculous city of superhumans, Academy City. Together these heroines and their friends explore the wonder and mystery of their City and its Dark Side as the Trinity of Tokiwadai.

I was just a plain household nanny who was secretly an otaku. My charge was the Chuuni kind and my new co-worker was like a butler even though his just a driver. ... then we suddenly die. I won't tell you now but, you can find out in this Certain story's summary. Watch how we reincarnated, meet characters and meet other fellow reincarnations in this scary world.

This Index covers every character Articho has encountered throughout his adventures across the multiverse.

Scenarios of the retired Saiyan Time Patroller, known only as Articho, against an ancient evil that threatens the multiverse.

The portal Touma used to start his new adventure had reopened in the world of DXD. Will it be interesting or boring?

A powerful anomaly breaks the boundaries between two completely different realities, heroes old and new are brought to a world where science and magic clash starting with the meeting of an unlucky boy and a foxy caster, how will they fair in the coming insanity(no longer including Poltergeist Arc)

When Waver had spoken the incantation he had imagined to bring forth a hero of eld, a historical figure known by all. Whose roots were deep in the history of their world. But what did he get? A moody albino teenager that doesn't follow orders. And he keeps asking himself, "Who the hell is Accelerator?" A/N:This will follow Fate Zero with some alterations.

Un cierto chico desafortunado tiene la oportunidad de tener una vida normal, pero el mundo nuevo en donde llega tiene muchas cosas ocultas. Una extraña criatura llamada "Espiritu" se presenta en ese mundo, Kamijou Touma logra encontrarse con uno de ellos, pero un destino cruel lo espera. Cuando los caminos de "Imagine Breaker" y del "Espíritu" se cruzan, esta historia comienza.

Misaka10,000 was supposed to die but instead finds herself reborn in the conflict between the Mages Association and the rebellious Yggdmillennia in this new life will she finally understand the meaning of being alive or will she shares the same fate as her previous life ?

It was known as mystery- something that fell outside the scope of common thinking, something incomprehensible and indecipherable to those bound by the laws of the world. Born into a world where the supernatural walk upon the earth, Lelouch found a new purpose for himself following his Zero Requiem. Would he destroy this world or would he create it anew?

Velvet Crowe and her brother Laphi are offered a second chance by a Unknown Empyrean along side Magilou, Rokurou, Bienfu, Eleanor, Eizen, and her Malak friend Laphicet. Now Velvet along with her brother and friends must adjust and survive in the world of Espers, A war between Magic, Science, Dragons, and Demons will soon begin.

After learning of a plot to destroy the city from a man calling himself Ishmael, Touma sets out to stop a destructive Super Weapon named the Atma Weapon. A weapon of mass murder constructed by the Acolytes of the New God. Touma soon realizes that it takes more than a group of plucky teenagers to prevent a nuclear strike. The fate of Academy City rests on Touma's shoulders.

Waking up in an unfamiliar city, Sora has no idea where he ended up. After vanishing from his world, Sora will have to find a new way home in this mysterious city. Along the way, Sora will meet new friends & foes while also facing new challenges in his life. However, Sora won't be alone as a familiar, yet misfortunate boy who will help him navigate Academy City and its secrets.

I'm testing this Fanfic

After the events of Attack on Titan, Eren finds himself given a second chance in a new world in which science and magic are constantly at odds with each other.

A monster is given a chance of redemption; a new road to follow, filled with new dangers, friends, foes, mysteries, and horrors. Will he succumb to the darkness or find light down this new road? As science and magic collide, a new story is born.

Remember a time when things made sense? Humans killed Grimm, Grimm killed humans, and criminals could make an honest living? Back before teenagers ruined everything? Roman Torchwick remembers. When Neo finds a boy who can frighten Grimm, Roman decides this could be useful, while he pretends to locate the boy's friends.

When life gives you lemons, there's typically a list of things you can do with them. Sadly, when a fabulous, auto-tuned meteor crashes into you from orbit, your options are decidedly less diverse. At least the perks are good, though why the hell did I have to go through high school again!

Kuroko Tetsuya and company watches an alternate world where the Phantom Sixth Man is a valuable player in the Magic-Science conflict. As the title pointed out, it's a watching fic version of my other crossover fic entitled "Toaru Fukashi no Kage (A Certain Invisible Light)" story.

Touma, Index, Sphinx, and Othinus were sucked into a dimensional hole and transported to Gensokyo. Will they find their way home or stay forever? Let's guess

Everyone has a plan until they get punched in the face. When two fists cross paths, a story is born! A Certain Magical Punch Remake begins NOW!

When you have the ability to create a substance that broke the physical laws of the universe, it kinda trivializes most of the challenges that are thrown at you. Even something like the quest to restore humanity's order is become super easy, barely an inconvenience.