There is never only one change. There are always many changes. Because one thing will change another. It will affect something more. Ripples through time. Irrelevant to some, disastrous to others. There can never be only one change Emiya Shirou. There will always be consequences.

The first Fate/Stay Night-Campione! crossover. A Heavens Feel Shirou finds that himself and Illya have been pulled into another world by a corrupted Grail. There his actions lead to him becoming the Eighth god killing Devil King. Now he has to deal with becoming someone who rules where he walks, even if he doesn't want to. That and trying to find a way back home.

When I sold my soul to the Devil, I thought I was prepared for anything. I wasn't. I didn't expect him to be a her. Or dressed up as a magical girl carrying a pink wand tipped with a cheerful yellow star. Her being a prankster however didn't come as much of a surprise. You know, the Bible would have been a whole lot more interesting if they included stuff like this. Complete AU

There wasn't even a good reason to get involved in this Sekirei plan. He wasn't an Ashikabi, in fact he wasn't even certain he could love anymore. That future Archer had accused him of seemed closer than ever... but while people still suffered, what could he do? This bloody path I walk, without thanks or acknowledgement, though my heart may become iron, I must never fall to regret.

It's been nearly fifty five years since the Holy Grail War, and the world has changed substantially for Shirou Emiya in the intervening years

The wheel of fate is derailed as Emiya Shirou is brought up in Uminari City. Watch the birth of a Magical Hero as the boy with a body of swords meets the White Devil.

Years after his parents survived Heaven's Feel, the son of Kayneth and Sola-Ui finds himself in a different sort of supernatural tournament. But can he survive superpowered alien females, scheming businessmen, and his own partner's urge to strangle him?