EndlessRain
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A small peek into the Mac/Dennis annual tradition of bathing together on Christmas night. What started out as a scheme to get Mac naked turns into a decade long tradition that brings comfort to both men. Takes place in between the Always Sunny Christmas special and 2025.
For the December 2025 Year of the OTP prompts: holiday traditions, bathing together,
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"He….he could bite off Mac’s dick if he wanted to! If this was twenty years ago, there’s no way they’d be doing this. Not the sex, because let’s be real, they had drunkenly hooked up their fair share of times over the past few decades, but the trust. That Mac could just fall asleep in such a vulnerable position was getting off Dennis in ways he couldn’t possibly describe."
Or, the cockwarming fic.
For the November 2025 Year of the OTP prompts: "are you sure?", cockwarming, touch-starved
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It's Halloween at Paddy's again, only this time Dennis is determined to get Mac's attention.
October Year of the OTP prompts: shibari, costume, online dating, Mr. Brightside by the Killers
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I Don't Know How to Explain What I'm Feeling by EndlessRain
Fandoms: It's Always Sunny in Philadelphia
12 Oct 2025
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Bruce Mathis kicks the bucket. The Gang responds accordingly.
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Mac and Dennis get a little more than they bargained for when they go to Guigino's for the first time.
For the 2025 Year of the OTP September prompt(s): college sweethearts, date night gone wrong, abduction, and "come here." Each fic in this series is a one-shot unrelated to any other fics.
Series
Recent series
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2025, The Year of the OTP: Mac and Dennis, Codependent Loser Extravaganza by EndlessRain
Fandom It's Always Sunny in Philadelphia
19 Dec 2025
Summary
OTP Challenge to write 12 prompts, one for each month in 2025.
8/12 completed bitchesss
- Words:
- 52,566
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- 8
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- 49,934
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- 1
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- 47
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Summary
Canon-compliant title:
"Mac and Dennis Sign a Truth Pact"With its sequel:
"The Gang Crashes a Wedding"No current plans to make this a trilogy, but also not against the idea of it.
- Words:
- 66,980
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- 2
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- 16
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- 61,641
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“And does young Gregory have any decent suitors he is looking into? Another Grand Duchy crown hanging off a four poster somewhere in Astoria?”
“I have one.”
“Uh huh.”
“He has…” Oh god, Greg’s voice was already shaking. He was sweating, too. He took Tom’s hand in his and began to trace around the fingers with his own. “The most beautiful blue eyes in New York.”
“Ha, yeah?”
Greg nodded and turned Tom’s hand over, eyes refusing to lift and see the face he adored so dearly. “And he’s pretty rich, like—I’m doing pretty well for myself, but this guy’s loaded.”
Tom laughed.
“But he’s sweet and he’s really kind a lot of the time and when he’s not we get through it. He appreciates me.” He brought Tom’s palm to his lips, kissed it. “He values me.”
“Do you love him?”Series
- Part 4 of Allomancy
Bookmarked by EndlessRain
22 Mar 2026
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“I’m not gay,” Tom says suddenly, determined, eyes wide, and Greg just blinks at him, one eyebrow cautiously raising.
“What?”
“I’m not. I’m not gay, Greg. You fucking idiot, do you hear me? Did you hear what I fucking said?”
Greg looks a little pained, but nods anyway, “O-okay. Sure. Okay, Tom.”
There’s a long pause and something clears a little in Tom’s head as the mist recedes. He feels something wash over him; a curiosity he’d never dared hope for because it would be far too revealing.
~
OR: Tom grapples with complex and confusing emotions following a lifetime of repressing who he truly is.
Bookmarked by EndlessRain
19 Mar 2026
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you ask only for the cab fare home (and realize you could have asked for more) by GregoryJohnHirsch
Fandoms: Succession (TV 2018)
14 Dec 2021
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Tom discovers Greg on a date, and Greg admits he's been using Grindr. Tom offers his wingman services. Soon enough, they both realize that Tom getting involved in Greg's dating life isn't such a good idea.
- Language:
- English
- Words:
- 34,357
- Chapters:
- 4/4
- Comments:
- 163
- Kudos:
- 1,159
- Bookmarks:
- 188
- Hits:
- 19,517
Bookmarked by EndlessRain
17 Mar 2026
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"He wants to be tender
and merciful. That sounds overly valorous.
Sounds like penance."-Richard Siken, Unfinished Duet
(A story in which Tom and Greg find themselves deep in a mess of their own creation, and they have no one to rely upon but each other.)
- Language:
- English
- Words:
- 109,830
- Chapters:
- 20/20
- Comments:
- 388
- Kudos:
- 952
- Bookmarks:
- 172
- Hits:
- 25,185
Bookmarked by EndlessRain
16 Mar 2026
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When Roman makes an off-hand joke about Tom being in love with Greg over dinner, the fallout changes everything. (Canon Compliant up until 3x07)
- Language:
- English
- Words:
- 45,617
- Chapters:
- 11/11
- Comments:
- 448
- Kudos:
- 3,625
- Bookmarks:
- 682
- Hits:
- 62,804
Bookmarked by EndlessRain
15 Mar 2026