NiefThing
Fandoms
Recent works
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Smooth Jazz by NiefThing
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Dec 2025
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Summary
Leo has known about Donnie's feelings for him for years, since even before the Kraang invasion. It's weird, he knows, but it’s Donnie, so an amount of weird is expected. It’s only weird for Leo if he reciprocates. Which he doesn’t, so it’s fine.
(He does)
Prequel to Hard Rock
Series
- Part 2 of Radio Stations
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Much Ado About Mistletoe by NiefThing
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
12 Jan 2025
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Summary
Donnie is forced to spend time with his high school crush for a few days as he helps his little brother prepare for opening night.
It's a little weird, but Donnie's over him, so it won't be too bad.
Right?
Or: Silly leotello-style Christmas movie shenanigans.
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Summary
Donnie hates apologizing, and avoids doing so by handing out 'coupons' instead. But now his brothers have a bunch of coupons saved up, and they need to use up them somehow...
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Summary
That’s what Donatello's been doing for the past several days. Hanging out here in the lab, working nonstop to complete his universally-appointed task. Alone, mostly, but he doesn’t really mind. Not being distracted means he has more time to work on his project, and the sooner he finishes, the sooner he can die (again) in peace. Besides, why would these past versions of his brothers and father spend the time to get to know him? Everyone knows he’s here on a temporary basis.
Everyone except…
Series
- Part 1 of Radio Stations
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Bosom Buddies by NiefThing
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
09 Jun 2024
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Summary
Leo and Donnie, disguised as Patty and Hortense, go on a date to the local botanical gardens.
Recent series
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Radio Stations by NiefThing
Fandom Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Dec 2025
- Words:
- 25,747
- Works:
- 2
- Bookmarks:
- 1
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Accidents Happen by NiefThing
Fandom Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
20 Mar 2024
- Words:
- 22,490
- Works:
- 2
- Bookmarks:
- 2
Recent bookmarks
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Send Your Lifeboats Out For Me by Crowdog
Fandoms: TMNT (2007), Teenage Mutant Ninja Turtles - All Media Types
01 Sep 2020
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Summary
Leadership training, in a jungle, alone, because that’s a set of circumstances that will make a better leader. What if Leo was sent away for a different reason? What if he was sent away to heal under the guise of “leadership training”? A year and eleven months ago Leo started acting strange. A year and nine months ago he was sent to Central America. A year and three months ago he was supposed to come home. A year ago he stopped writing. Two weeks ago he returned.
Now Leo’s back and his brothers question how he will fit into their lives now that he’s home and whether they should try and integrate him into their relationship. The only problem is the brother that left for training wasn’t the brother that returned, and now the story of why Leo was sent to Central America isn’t as cut and dry as they previously thought.
(A prequel and sequel to the events in TMNT 07 Movie)
TMNT Adult Fanfiction Competition 2019
1st Place in “Most Thought-Provoking” [Badge art by Plastron]
1st Place in “Most Heartbreaking Tragedy” [Badge art by Oasis]
1st Place in “Best Dark Fiction” [Badge art by Oasis]Bookmarked by NiefThing
16 May 2020
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Core by glasssrockyyy
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (IDW Comics)
08 Feb 2025
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Summary
Donnie is gone.
While the other brothers search for Donnie, unaware of his research with Metalhead, Leo's communicator rings.Bookmarked by NiefThing
27 Feb 2025
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After the Lair Games by karkathy
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
04 Dec 2024
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Summary
Set directly after the episode Lair Games, Donatello realizes that he's been played, and goes to demand his room back from Leo. However, he gets a lot more than he bargained for.
Canon compliant with Recovery is Always the Texture of Gravel, but neither one is dependent on the other plot-wise.
Series
- Part 2 of Makin' Love, While the World Collapses
Bookmarked by NiefThing
05 Dec 2024
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In the arms of Morpheus by glasssrockyyy
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
14 Nov 2024
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Summary
Donnie has not been sleeping well lately.
Leo will help him with that.Bookmarked by NiefThing
14 Nov 2024
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Aff(li/e)ction by orphan_account
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2003)
08 Dec 2022
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Summary
Leonardo can't help the way butterflies dance under his skin whenever he catches Donatello looking at him.
Nor can he help the way his body warms, or his blood sings at night, when only the sweetest of nightmares haunt him.
But he must not indulge... lest these feelings devour him whole.Or, alone after another long evening of being Splinter's show ponies, Leonardo finally breaks under the weight of his forbidden feelings for his younger brother.
Bookmarked by NiefThing
18 Oct 2024