justaShyFly
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Recent works
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For their Sake by justaShyFly
Fandoms: Super Mario Bros. (Video Games), The Super Mario Bros. Movie (2023)
20 Jan 2026
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Summary
Sometimes one event changes everything. It started as just another princess-napping and ended with everything crashing down. In the aftermath, when the dust clears, all that's left is an odd sense of kinship. Luigi never dreamed he'd end up another parent figure for any of the Koopa King's sizeable brood, but by the time he realizes that's what's happening, it's too late to turn back. But does he even want to? The closer he gets to Bowser's kids, the fonder his opinion of the King becomes. He starts noticing things about the fire-breathing monarch he'd never knew to look for before.
Only one problem: Bowser and Mario have no idea.
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Heat Seeking by justaShyFly
Fandoms: Super Mario Bros. (Video Games), The Super Mario Bros. Movie (2023)
12 Jan 2026
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Summary
It happened about a year after they moved permanently to the Mushroom Kingdom. He and Mario were fighting a strange sorceress who was trying to take over Sarasaland. Purple, blue and red magic swirled above her as her wand stirred the sky. She brought it crashing down pointed straight at his brother shrieking: "A curse on you! Meddlesome human!" and Luigi hadn't thought, just acted. That was three years ago now.
By day, Luigi is his normal old self, but at night...he becomes something very different and this new form comes with a few...complications. Every six months, he goes into a week-long heat. They're agony on his own. Then he discovers that seeking a no-strings partner for the heat is commonplace in koopa society. So maybe he doesn't have to suffer alone after all. There are even reputable agencies who'll help find koopas suitable partners. Maybe this is a really bad idea. What if his body isn't accepted? If this world was anything like the one they'd left, could he even be sure he'd be allowed to peacefully exist if word got out? True, the agency swore not to part with his personal information, but...Luigi was scared. Terrified. But also, he really needed this. Maybe he should take a chance.
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Maybe I'm Crazy to Suppose by justaShyFly
Fandoms: The Super Mario Bros. Movie (2023), Super Mario & Related Fandoms
29 Dec 2025
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Summary
Another year is almost gone in the Mushroom Kingdom. Bowser isn't even sure why he'd bothered accepting the invite to this party. Oh right, his kids had begged him to. He didn't expecting to come out of the whole thing feeling like the biggest winner of all time, but thanks to a set of unusual circumstances and a dash of his own curiosity leading him to nose around a certain green plumber's waste paper basket...he finds out there's a very special someone who's maybe just a little to shy to outright ask him on a date...
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Prince of the Dead by justaShyFly
Fandoms: Super Mario & Related Fandoms, The Super Mario Bros. Movie (2023)
24 Dec 2025
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Summary
Luigi lands in the darklands, but things take a surprising turn. The ghostly occupants of the valley surrounding the old mansion he walks into need help only he can provide. (An Alternate Series of Events loosely based upon the structure of the 2023 Mario Movie)
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Marked by justaShyFly
Fandoms: Super Mario & Related Fandoms, The Super Mario Bros. Movie (2023)
12 Dec 2025
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Summary
“All these years chasing Peaches…Trying to get her in a position like this…and you…All I’d have to do is close my jaw…but I’m not a monster. What do you want?”
“W-what?”
“In return for granting my claim.”
“Your—” Luigi’s confusion was evident. Bowser’s eyes rolled.
“If I bite you, I make you mine.”Pursuing Peaches when she's only interested in Mario has repeatedly gotten him nowhere. It's long past time he should've been considering other options. Bowser's known that for a while now. And by some luck of the stars, Luigi ends up in his clutches. A relationship with Greenie will get him the pretty much the same thing he'd sought most from Peaches all along: new trading partners, and a bridge to peace with the other kingdoms. Bowser knows an opportunity when he sees one...and he sinks in his teeth.