Derpo
Fandoms
Recent works
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The Devil is in the Details by Derpo, Pizzaplate
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, Warhammer 40.000
20 Feb 2026
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Summary
"In the grim darkness of the far future, there is only war. But a sliver of hope shines through.
It is small, and it is dim, but it exists.
And the darkness recoils in fear."
Ripped from his home, Midoriya Izuku finds himself in a strange and fantastical world. Star-spanning empires, superhuman soldiers, and the man who calls himself 'Emperor' leading it all.
How on Terra will Izuku adjust to this grim, dark future?
And how will he be changed when he returns?
(No Warhammer 40k lore knowledge is needed. Almost everything is either implied or explained.)
Series
- Part 1 of My Imperial Academia
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Summary
The rewrite of Bun and Bean.
Rumi had many goals in life and even had writen a list about them. Falling in love and getting married used to be below becoming a successful hero, but somehow she got those first.
Series
- Part 2 of The rabbits
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The Devil's Footnotes by Derpo, Generalmanager570 (Allegingsky9788), Pizzaplate, Yesmar1020
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, Warhammer 40.000
23 Jan 2024
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Summary
A Collection of Short-Stories and One-Offs that while important to 'Devil in the Details', and set in the same universe, are not major enough to be in the main story.
Series
- Part 2 of My Imperial Academia
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I(')mmortal by Derpo
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, Warhammer 40.000
04 Feb 2023
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Summary
Izuku is Quirkless, but knew that. Only humans can get Quirks, after all.
He has knowledge instead. Knowledge on how to manipulate time. Knowledge of metals and tactics from a time and space far removed. Knowledge that he hungers for the souls of stars.
Knowledge is preferable to Quirks, in his opinion.
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Viride et Aurum by Derpo
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, Warhammer 40.000
04 Feb 2023
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Summary
When the Emperor opened his eyes he was confused.
He was neither in the Throne room nor anywhere else that he knew.
Where was he, why couldn't he feel his legs and why was that green haired woman crying a river. Someone has a lot of explaining to do.
Recent series
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- Words:
- 100,516
- Works:
- 2
- Bookmarks:
- 40
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My Imperial Academia by Derpo, Generalmanager570 (Allegingsky9788), Grimneth, Pizzaplate, Yesmar1020
Fandom Warhammer 40.000, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
20 Feb 2026
- Words:
- 394,726
- Works:
- 2
- Bookmarks:
- 110
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Hero of Light by Derpo, Grimneth, Pizzaplate
Fandom Final Fantasy XIV, Warhammer 40.000, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
21 Jan 2025
- Words:
- 384,330
- Works:
- 2
- Bookmarks:
- 34
Recent bookmarks
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Summary
One of the traits of being half demon is a much longer lifespan, and much slower aging compared to humans. While Rumi isn’t immortal she has still lived for centuries, and the secret of her existence has been passed down through generations of hunters.
Now in 2025 Zoey and Mira need a third member of huntrix, and the honmoon decides to call on its oldest protector to join them. How will the girls adjust to their strange new bandmate? And how can Rumi make new connections when she knows she’ll outlive them?
Bookmarked by Derpo
18 Feb 2026
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Summary
Damn the tie. Damn the demon principality and its penchant for professionalism. And damn Zoey for tying everything so goddamn tight.
Mira was going to choke to death before Rumi even got the chance to kill her.
(After a lifetime of training to kill Gwi-Ma, Mira's plans are ruined when a new ruler takes charge and offers the hunters a chance for peace.)
[inspired by this incredible artwork on twitter]
Bookmarked by Derpo
26 Jan 2026
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Summary
"Which means you," Dr. Choi turns to the other woman, "are my two o'clock appointment. Ryu Rumi?"
"Yes," she says, standing up and extending her hand for a handshake. She has a diplomatic smile on her face, charming and practiced to perfection. Mira can hardly imagine what it's like to be on the receiving end of it.
Dr. Choi, however, is apparently immune. She puts one hand on her waist and looks up at Rumi with a glare. She holds Rumi's client file up with her other.
"Rumi-nim, respectfully, this is the worst intake form I've ever seen in my life. "
Mira holds back a snicker.
Or what if Rumi was werewolf but also was a college professor, and what if Zoey was a vet, and what if Mira had 5 cats and one had IBS too, and they were in a romantic comedy what then
Series
- Part 6 of Polytrix Fluff
- Language:
- English
- Words:
- 14,641
- Chapters:
- 3/?
- Comments:
- 372
- Kudos:
- 1,543
- Bookmarks:
- 390
- Hits:
- 16,649
Bookmarked by Derpo
12 Jan 2026
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Summary
Red piercing eyes glowed in the dark, staring at her. Lips were glistening wet from blood. A vampire – great.
Instantly, Rumi raised her sword in defence. But surprisingly, the vampire didn’t attack immediately.
Instead she slowly stood up and turned around to face the huntress.
“Huh…” the vampire said, eying Rumi’s silver sword. “Haven’t seen one of you in a while.”
Her voice was raspy and low. She didn’t sound intimidated, if anything she sounded mildly bored.
Rumi examined her opponent more closely. The other woman was taller than her and she had sharp facial features. Long pink hair fell openly over her shoulders.
Without the blood on her lips, she could easily pass as a cover girl of any fashion magazine.
“And I was actually looking for someone else.” She answered.
Rumi pointed with her sword at the body on the ground.
“You haven’t seen the werewolf that did this, by any chance?” She asked the vampire.
OR
What if (half-demon) monster hunter Rumi crosses paths with vampire Mira and werewolf Zoey
Bookmarked by Derpo
10 Jan 2026
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Summary
If smiles defined humanity, Rumi would definitely be an alien. Or a werewolf. The occasional growling, the twitching pointed ears, and her habit of sniffing the air could point to that.
For her own sanity, she really needed to stop reading supernatural romances.
Series
- Part 2 of Rivers of Hades
Bookmarked by Derpo
27 Dec 2025