GreyNightSun (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
07 Nov 2025
Tags
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
Tags
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
Tags
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:
- 53
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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:
- 12
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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:
- 298
Recent bookmarks
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The Darkest Valley by Gfan97 for katydid
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
04 Oct 2024
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Summary
All for One's son was capture by Humarise. However, instead of going himself, he sends an agent. Lady Nagant. She'll do whatever it takes to bring him back, even join All Might. But who is this new informant who insists on following her?
Beros has kidnapped a kind boy for her masters. Everything she does is for the salvation of humanity and for her mother. But what will she do when an enemy steals her mother?
Spin off of Fear No Evil!
Bookmarked by GreyNightSun (GreyDayMoon)
05 Jul 2024
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Quirkless Unbound by Shad0whuntress, Zyla_SweetBean
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
16 May 2025
Tags
Summary
After escaping All For One and the vault, Izuku has spent five years trying to outrun the people who would see him locked away for being quirkless...both from the government and his villainous father.
However, everything changes when Izuku catches the attention of the Number One Hero and All Might's secretary, 'Toshinori Yagi.'
Will he become the first quirkless hero, as he's always dreamed? Or will he spend his life locked away as a voiceless, quirkless pet? Either way, Izuku will not go down without a fight.
*Updates every other Friday
Series
- Part 2 of Quirkless Not Worthless
- Language:
- English
- Words:
- 234,019
- Chapters:
- 56/56
- Collections:
- 4
- Comments:
- 905
- Kudos:
- 2,459
- Bookmarks:
- 535
- Hits:
- 104,578
Bookmarked by GreyNightSun (GreyDayMoon)
16 Oct 2022
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Izuku's 2022 Whumptober by Zyla_SweetBean
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, 나 혼자만 레벨업 | Solo Leveling (Webcomic)
31 Oct 2022
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Summary
31 Days + 31 Prompts = 31 Izuku-centric whumps
Whether canon-compliant or set in alternate universes, join as Izuku struggles through a diverse range of angsty situations to overcome Whumptober... some of which will end better than others.
- Language:
- English
- Words:
- 41,212
- Chapters:
- 31/31
- Collections:
- 1
- Comments:
- 276
- Kudos:
- 690
- Bookmarks:
- 106
- Hits:
- 23,095
Bookmarked by GreyNightSun (GreyDayMoon)
05 Oct 2022
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The Killer's Intent by B_O_M_B for GreyDayMoon
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
05 Oct 2022
Tags
Summary
Izuku Midoriya gets the opportunity of a lifetime when he interns under special agent Yagi Toshinori- the lead investigator against notorious serial killer All for One. Naturally, attention is drawn where it never should have been, and unfortunate revelations are made.
- Language:
- English
- Words:
- 5,540
- Chapters:
- 1/1
- Collections:
- 2
- Comments:
- 29
- Kudos:
- 652
- Bookmarks:
- 142
- Hits:
- 5,193
Bookmarked by GreyNightSun (GreyDayMoon)
05 Oct 2022
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Birdcage by katydid for Gentrychild
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
30 Nov 2022
Tags
Summary
For the first five years of his life, demon prince Izuku is doted upon by his father, All for One. Then his Uncle Yoichi gets dragged back home in chains, and Izuku realizes that he's only a replacement.
Series
- Language:
- English
- Words:
- 34,442
- Chapters:
- 6/6
- Collections:
- 1
- Comments:
- 364
- Kudos:
- 1,284
- Bookmarks:
- 258
- Hits:
- 27,004
Bookmarked by GreyNightSun (GreyDayMoon)
18 Sep 2022