Fate/ stay night is owned by Type-moon

Harry Potter is owned by J.K. Rowling

The story begins: October 31, 1981, Godric's Hollow (Lily's POV.)

"Avada Kedavra," I hear downstairs. I can't believe it, not only did The Dark Lord find their place, but he cornered me and my son. "I'm so sorry Harry."

"Step aside and let me take the child, and I will spare you," Voldemort said flatly. I just couldn't fathom what he said. " Never, how do expect me to give up my child to a monster!" I spat at him.

"Very well then, Avada Kedavra." The streak of pale green lighting shoot towards Harry, and before I knew what I was doing I jumped in front taking on the spell. All I could think before I faded into the cold embrace of death was that lives Harry a good life. When Sirius ran into the room, all that could be seen was a crying baby with a lightning-shaped scar on his forehead.

10 years later: July 24, 1991, Dursley's Home ( Harry's/Shirou's POV.)

After all the ruckus from the flying letters and the acceptance letter to a 'magic' school called Hogwarts. The Dursley family decided that a fitting punishment was to send me to my so-called 'room' without dinner again. After Uncle Vernon said we were leaving I quickly hid the letter I was able to stow away in my pocket. Now that I had a chance to examined the letter back to front and then I used my Structural Grasping to make sure it was not rigged. Once it was deemed safe I had opened it. There was just one problem, how was I gonna to respond back. That was when I heard soft tapping on my cupboard door. What surprised me more was that one of the owls from earlier had snuck into the house. It just sat there just looking at me. "Are you waiting for a response?" I asked. It gave me a dignified hoot as it puffed its feathers out as to show it was proud to be doing this. "Well give me a second and I will have one ready." I didn't have to hear its hoot to know it was happy to hear this. When I was done, I had made sure that I also included the address of the place that was going. As I watched the messenger leave I had a came to the conclusion that my life was going become a lot more interesting since I've been reincarnated. I was once a man named, Shirou Emiya, but now I'm a boy that goes by the name Harry Potter.

While at the vacation home, a storm had sprung out of nowhere. So Uncle Vernon and Aunt Petunia decide to turn in. That left me and my cousin Dudley and lounge around down in the common room. When a pounding had begun to shake the door off its hinges Vernon and his wife came downstairs, shaking and armed, and asked, "Who's there?" The door fell down and walked in a man almost nine ft. tall. "Oops, sorry 'bout that." as he puts the door back, " guess i got a little carried away." I didn't know how to respond. Of course, I instinctually stood in front of Dudley in case this giant of a man decided to attack but I'm doubting that I would be even able to win against in this body, let alone get a scratch on him. Uncle Vernon then pointed the gun and the man, only to have him bend the barrel upwards. "So I'm guessing your Harry. Whom am I kidding, of course, your Harry. It's been a while since I have seen ya. I'm Hagrid." He stuck out his hand, so cautiously I shook it. But after I realized he wasn't a threat dropped the stance and wholeheartedly greeted him. " So Hagrid, right, what brings you here?"

"Well, I brought you something, but I think I might of sat on it a little." As he said this he pulled out a white box with a blue ribbon keeping it closed. What I saw when I opened it surprised. It was a small cake that wished me a happy birthday. "Why thank you Hagrid," I said with a smile creeping on my face. After all, was said and done, Hagrid and I left.

Soon we came to Diagon Alley to retrieve my school supplies and first wand. "Um, Hagrid?" I call the half-giant's attention. " Can I convince you and the rest of Hogwarts to not call me Harry Potter?" He stopped right there and gaped at me. "But why?" he simply asked. "Well you see, my name comes with a lot of attention. Attention I don't want to be directed at me right now. If I can gain all this wealth from surviving a killing curse, just imagine if a dark family still loyal to He Should Not Be Named, as you call him, would do to hear about the killer of their master at school. Not only would I would be in danger, so would the rest of the student body and staff. So if we can arrange with the headmaster for me not having to be addressed as Harry unless absolutely necessary I would much appreciate it." He looked at me, with a look the spoke of confusion, and a bit of guilt. Probably due to blaming himself for my parents' death. "I'll see what we can do when we're done." With a rather somber mood between the two now the walk into Gringotts to get money so we can get my school supplies.

September 1st. Kings Cross Station 9 entrance (Harry's/Shirou's POV)

After following the directions given to me by Hagrid to the train, meant to transport the students to Hogwarts, I stare as a family of redheads enter the pillar connected to a bounded field no unlike the one at the Leaky Cauldron. "Rin would go berserk if she saw this world's magic system," I couldn't help think as I follow the family's lead and enter the pillar. But as I was musing about the tsundere I had left behind when I died, I had bumped into someone. "Oh, I'm sorry. I didn't see you there," I quickly spout as to not cause a scene, but seeing as my luck was still E ranked as before, I was slowly becoming the center of attention as the blond bumped into went to a triad about being a pureblood, but I don't pay attention. I had enough of people telling me how I'm less than them all because of my blood. I mutter another apology then quickly left to get a seat on the train, much to the blond's ire.

After being situated into the train compartment which was empty except me, I glanced over the letter delivered by Headmaster Dumbledore's owl. It seems my request to hide my name will be granted that I guarantee that Hogwarts would not be held responsible for any backlash if I as found out. It seems that this was gonna be an interesting year for sure.