GreyDayMoon
Fandoms
Recent works
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Nacreous by GreyNightSun (GreyDayMoon)
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
08 Nov 2025
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Summary
Another part to Pearlescent. Read Tuna and BOMB's sea dragon fic and was like dang, I need more Tomura in my life. So here's him getting adopted nonchalantly.
Series
- Part 2 of Sea Dragons
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Challenge & Prompt Stuff by GreyNightSun (GreyDayMoon)
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
23 Mar 2025
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The Love of Evergreens by GreyNightSun (GreyDayMoon)
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
03 Dec 2024
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Summary
The verdant color of evergreens never fades despite the changing of seasons. So, too, does the love of evergreen souls.
Or: Twelve-year-old Tomura found the perfect Christmas gift for Sensei.
(Set in the domesticity AU from the Challenge & Prompt Stuff for those who know)
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Blood of the Serpent by B_O_M_B, GreyNightSun (GreyDayMoon)
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
04 Jul 2024
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Summary
Slytherin student Izuku has been very worried. His school years have barely begun and yet mud-blooded students have been targeted in petrifying attacks. Izuku himself as a supposed mud blood wants the attacks to end. But unfortunately, his cousin may know more about them than Izuku thought.
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A Demon Lord's Wish by GreyNightSun (GreyDayMoon)
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
29 Jun 2024
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Summary
Izuku from a quirkless world is isekaied into a fantasy medieval universe where he is told he is a chosen hero who must defeat the darkness known as All for One. However, Izuku is in for a surprise as this world may hold the answers to why his father and uncle went missing ten years ago. In the end it will be up to Izuku to either defend this magical world or be influenced by the demon lord he faces to destroy it.
Or: A story from discord that I had people choosing the actions Izuku took so first few chapters are already done. Gonna try it out on AO3 and see if it works at all lol
Recent series
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Feeding BOMB by B_O_M_B, GreyDayMoon, GreyNightSun (GreyDayMoon)
Fandom 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
23 Jun 2024
- Words:
- 24,998
- Works:
- 8
- Bookmarks:
- 55
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DfO Starwars Edition by GreyNightSun (GreyDayMoon)
Fandom 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
20 Jul 2022
- Words:
- 12,154
- Works:
- 3
- Bookmarks:
- 13
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Sea Dragons by GreyNightSun (GreyDayMoon)
Fandom 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
08 Nov 2025
- Words:
- 13,890
- Works:
- 3
- Bookmarks:
- 309
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AU's I'm Thinking of Expanding On Later by GreyDayMoon
Fandom 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
29 Nov 2019
- Words:
- 49,356
- Works:
- 6
- Bookmarks:
- 44
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Married Pros: Broccoli and Dandelion by GreyDayMoon
Fandom 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
28 Mar 2019
- Words:
- 8,700
- Works:
- 3
- Bookmarks:
- 32
Recent bookmarks
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Summary
Saliva pools at the back of his tongue. “—you may have taken Terra, but you have not won the war,” he hisses, tasting venom on every word, “Roboute and Lion are coming, and they will see to it that you are defeated—”
“No one told you?” Sanguinius watches as the archtraitor’s mouth pulls into a rictus grin, “Guilliman and The Lion are gone. They left as soon as I broadcast word of Father’s death.”
Bookmarked by GreyDayMoon
17 May 2025
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Protective Custody by Mirradin for Lieara
Fandoms: Warhammer 40.000, Horus Heresy - Various Authors
07 Jan 2024
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Summary
In Imperium Secundus, Sanguinius told his brothers that he would die in the fight against Horus. Guilliman and the Lion are determined not to let that happen. If that means imprisoning Sanguinius to keep him safe, so be it.
- Language:
- English
- Words:
- 5,374
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 9
- Kudos:
- 119
- Bookmarks:
- 12
- Hits:
- 1,817
Bookmarked by GreyDayMoon
23 Apr 2025
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Summary
After the death of his estranged biological father, orphan Izuku Midoriya is gifted a house in the quaint seaside town of Musutafu. Jobless and in the biggest rut of his twenty five years he relocates.
Shortly after arriving he falls into a strange well in his garden, finding himself in a place far away from home and taken by a tribe that hate him, giving no explanation. There he is told he is a weapon. The final piece in deciding the victor of a war that spans the ages; a war he wants no part in. Izuku wants nothing more than to go home but it seems a certain blond will do everything in his power to stop him.
- Language:
- English
- Words:
- 156,404
- Chapters:
- 24/?
- Collections:
- 5
- Comments:
- 875
- Kudos:
- 2,161
- Bookmarks:
- 511
- Hits:
- 54,404
Bookmarked by GreyDayMoon
02 Jun 2020
Bookmarker's Notes
AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
I love it ;-; -
Dehydrated Dreams by stop_hunting_me
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
18 Dec 2024
Tags
Summary
"And you," the teenager's head snapped back towards the Villain, chest swelling with fear and scrambling intensifying, "you're going to be right by my side, the entire time." Izuku's eyebrows furrowed, head shaking as All for One grew nearer. The screams had stopped, or at least, Izuku could no longer hear them.
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"You won't remember much when you awaken, but that's okay. I don't need you too. Goodnight, my Little One."
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"No! He's - He's a Villain! Please! You've got - You've got t believe me!"
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"You're no Hero." Giving a small chuckle, Shigiraki nodded and grinned at Izuku - it was sinister, and he wanted to crawl under a blanket. "And yet you're the only one who knows, and no one will believe you."OR: All for One has captured Izuku, and plans to change the World. So, he erases the memory of every and fills in the narrative with his own story. Will Izuku be able to convince everyone he's a Villain? Or will he be forced to sit back, alone, and watch as the world burns.
(Mostly) Prewritten; Updates 1-2 a week.
Bookmarked by GreyDayMoon
11 Aug 2024
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Tags
Summary
Sometimes Yuuji thinks the lesson is that Sukuna can do whatever he wants as long as it can be plausibly called ‘training.’
Series
- Part 2 of Malevolent Classroom
- Language:
- English
- Words:
- 7,330
- Chapters:
- 2/2
- Collections:
- 1
- Comments:
- 75
- Kudos:
- 504
- Bookmarks:
- 42
- Hits:
- 6,109
Bookmarked by GreyDayMoon
04 Aug 2024