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English
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Published:
2026-06-03
Updated:
2026-06-03
Words:
10,979
Chapters:
12/?
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14
Kudos:
15
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The Wizard Psyche

Summary:

What if Saiki Kusuo attended Hogwarts?

Kusuo didn’t realize that he might not be the only person with god-like powers.
Upon visiting the campus of his older brother Kusuke in England, the thoughts of messenger owls invade eleven-year-old Kusuo’s head. However, he finds out about a boy the same age as him who is rumored to be just as powerful. When his brother turns out to be in contact with the head mistress of a mysterious wizarding school, Kusuo accepts readily in the hopes of finding more about this boy.

This is a reupload/edited version of my fic on Wattpad, by the same username. It’s written very poorly initially, but I will eventually go back and edit it.

WARNING: heavy on the british slander and vulgar language <33

Notes:

CONTEXT:

i was thinking about the logistics and basically the math was NOT ❌❌ mathing.
So, in this reimagined version, the geographic and cultural isolation of japan from its pre-imperialist era affected the way magic presents in its land. instead of witches and wizards, the magic mainly clustered toward demons and mythical creatures.

Saiki, Toritsuka, and Aiura are examples of what happens when those clots in the system break down a little, and may technically be considered “witches” but fall under different conventions. For example, Aiura needs some kind of tangible assistance (through her glass ball, and other rituals; similar to the way many wizards need wands) but Rieta is simply able to interact with spirits on his own. Saiki is able to interact with the material world, and his powers can be affected by tangible objects. However, Saiki is still one of a kind, there are just few more with powers similar to the other two. We know that both of them had to locate saiki and travel to him, so the actually power distribution is very thinly spread out. I’d like to think that the increased globalization has caused more magical influence to find its way to japan, but it is still in the process of that.

The timeline is set in between the two franchises, so around the 2000’s, but the actual pop culture references will not accurately match up and tech+magic=BADBADBAD anyway.

Please enjoy!!

(See the end of the work for more notes.)

Chapter 1

Chapter Text

"Hey, Kusuo! let's play Rock Paper Scissors!"

Oh brother... I thought, as my annoying brother ran toward me. He's pathetic, constantly nagging me to play games with him.

i know you're going to play paper, idiot.

"Damn, you won! 615 losses, 0 wins. I'll get you next time." Kusuke smiled at me like he was plotting something and ran off toward our mom. He graduated early, at 14, and got accepted into a college in London, which is where we are now. My mom wanted to check out the area and make sure it was safe before he moved here.

"Aww, I still can't believe our little Ku is all grown up! Can you, dear?" Our mother yelled out, teary-eyed, to our dad.

"I really can't sweetheart, not at all! Sometimes I wake up in the morning and need to convince myself I’m not dreaming, because there’s no way my poor, little, baby boy had actually graduated!”

"Aww, mom, it'll be fine," Kusuke cut in, then turning to face Dad."And Dad, maybe you should lower your voice a bit..."

Dad's face went sour after he heard Kusuke's threat, then turned and ducked behind me.

"Protect me, Kusuo!" he shouted. I rolled my eyes as my father ducked behind his 10-year-old son in fear of his 14-year-old.

We were in a car headed to the hotel when i saw it. owls. hundreds of them, maybe even thousands, all headed in the same direction.

letterletterletterlettergottadeliveraletterrrrr

i, as an owl, have a sworn duty to protect and deliver post. this letter could quite possibly be my most important delivery and i have to savor every moment. i think-

number four privet drive, that's all i gotta know. four priv driv, number 4, and allat

how come the harry potter can't spare a minute of his time to open a dang letter? i know i probably shouldn't criticize the kid since he probably has the power of a god himself but-

wait, what?

is it possible that there's someone else out there like me? what was his name... harry? i know his address thanks to the birds, maybe i should pay him a visit sometime. we turned a corner and the birds were out of my line of sight.