The title should have been "As A Magician That Got Tricked By A Demon And Died, I'm Now Reincarnated As A Voice In The Head Of a Young Hero In Another World", but I ran out of letters.

Primer Fanfic, que tal le podrá ir a Kamijou Touma en otro mundo donde conocerá nuevas amistades y enemigos, ¿cambiara el corazón de algunos? Todo los derechos a los creadores de cada franquicia.

The times are changing; Magic and Science are about to clash in war, a city is destroyed due to the hubris of men, and few things are certain. In the aftermath of the Raccoon City Incident, Agent Hunk arrives in Academy City, where his past, his actions, and old acquaintances catch up to him. How will Mr. Death handle this unforeseen development?

Accelerator's name turns out to be Harry Potter. He isn't amused by the news.

What if Touma Kamijou or Mikoto Misaka was Harry Potter challenge.

[AU - Crossover] Witches and wizards aren't magicians, they are a unique race of endangered Gemstones that have a hereditary ability; it allows them to use both their esper powers and magic safely. Heaven's Canceler once had a patient in England that kept in contact with him, and now he asked a favor from the doctor. He wants to save his grandson from being killed.

Harry was smarter than your average kid, had to be to survive and he put into effect a plan so risky and impossible when he was put on trial to the effect that it broke the so-called war effort of both Voldemort and Dumbledore. That was 3 years ago, now after a major incident he finds himself in need of a break from the world's eye and so finds himself teaching at Academy City.

A small event can sometimes open new paths across the progression of time. After all, the future is never set or written in stone and this simple difference sets Severus down a new path that he had never imagined traveling on before. Sev/Lily