nightmaster000 and YahooSounding Collabs
Series Metadata
Listing Series
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Evil Genius seeks Lovely Assistant by nightmaster000, YahooSounding
Fandoms: Kim Possible (Cartoon), Hey Arnold!
03 Mar 2023
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Summary
Drakken in a disorganized rut decides additional pair of hands outside of Shego might be needed to assist him and help manage his organization enter Olga Pataki. Who's world changes forever when she answers a help wanted AD and learns her new boss is a super villain?!
Series
- Part 2 of Roll a Couple
- Part 1 of nightmaster000 and YahooSounding Collabs
- Part 29 of Mixing up ideas
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Underworld Witch by nightmaster000, YahooSounding
Fandoms: Sabrina: The Animated Series (Cartoon 1999), Hercules (1997), Hercules: The Animated Series (Cartoon 1998)
19 Dec 2023
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Summary
It has been eons since the God of the Underworld Hades attempted coup of Olympus was foiled by his demigod nephew the hero Hercules. And as a result it has been eons since Hades has found himself imprisoned in his own realm without hope of escaping.
At least till a half witch named Sabrina Spellman enters the picture bringing a magical touch that will give him freedom, while in return Hades offers a deal that could change Sabrina and her life forever.
Series
- Part 1 of Roll a Couple
- Part 2 of nightmaster000 and YahooSounding Collabs
- Part 28 of Mixing up ideas
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Isekai demons of the multiverse by nightmaster000, YahooSounding
Fandoms: Hey Arnold!, Invader Zim, Hazbin Hotel (Cartoon), Helluva Boss (Web Series), Total Drama (Cartoon)
17 May 2026
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Summary
"Two souls manage to isekai themselves into very familiar characters... only to find out that somehow, the characters they were inserted into are dead. But upon finding out that their deaths equals having powers, they decide to not only rule not only the entire hellscape, but probably the whole multiverse!
And trying their luck at some wonderful female companions along the way. Two opposites, soon to be brothers in arms, work together to rule all! And with even a robot companion that may have some girls on the side... it's sure to be a chaotic mess... probably of DOOM!"
Series
- Part 3 of nightmaster000 and YahooSounding Collabs
- Part 14 of Isekai Inserts
- Part 34 of Mixing up ideas
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From Amusement to Power by nightmaster000, YahooSounding
Fandoms: Danny Phantom, Codename: Kids Next Door, The Proud Family, My Little Pony Generation 4: Equestria Girls (Cartoon 2013), Glitch Techs (Cartoon), Teen Titans (Animated Series), The Ghost and Molly McGee (Cartoon)
25 Sep 2024
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Summary
A new amusement park has come into the world of Franchise City, a place where all of your favorite cartoons, all from different channels and streaming services reside... and it's run by two very shrewd businessmen... Vlad Masters and Benedict Uno... only, they're not exactly who they say they are. Indeed, two souls have taken over Vlad and Benedict's lives, and as of current, they are going to be using this amusement park as a stepping stone to become the most powerful men on Earth. How will that be possible? Just read on and find out...
Series
- Part 4 of nightmaster000 and YahooSounding Collabs
- Part 16 of Isekai Inserts
- Part 38 of Mixing up ideas
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Haunted Halloween Fun with Timmy and Ghoul Girls! by nightmaster000, YahooSounding
Fandoms: Fairly OddParents, Scooby Doo - All Media Types, Scooby-Doo and the Ghoul School (1988)
17 Oct 2024
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Summary
Timmy has been declared by everyone as the least scariest person, since nobody will entertain his idea for a haunted house. However, with three certain cute ghoul girls coming in while being hired to help babysit him, maybe they could be the key to help him win the haunted house contest... and perhaps, maybe even more... maybe even fall in love?
Series
- Part 5 of nightmaster000 and YahooSounding Collabs
- Part 47 of Mixing up ideas
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Gaston's Multiversal Harem by nightmaster000, YahooSounding
Fandoms: Disney Theatrical Animated Universe, The Ghost and Molly McGee (Cartoon)
30 Dec 2025
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Summary
In another universe, Gaston gets saved by an unknown force, where he's offered a deal! Live in this dimension and gather a harem of women to live with him, regaining his bearings and starting a new life! Together with his loyal friend, LeFou, he's determined to make himself the best life possible, with a good harem on his side... and a possibility to finally win Belle's heart once and for all!
Series
- Part 6 of nightmaster000 and YahooSounding Collabs
- Part 52 of Mixing up ideas
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Domination of the Supervillains: A New Isekai Adventure by nightmaster000, YahooSounding
Fandoms: Avengers: Earth's Mightiest Heroes (Cartoon), Incredibles (Pixar Movies), Captain Planet and the Planeteers, Gravity Falls, The Jetsons (Cartoon), The Flintstones, Lilo & Stitch (Disney Animated Movies), El Tigre: The Adventures of Manny Rivera, Dragon Ball, Amphibia (Cartoon), Dexter's Laboratory, The Proud Family, Life and Times of Juniper Lee, Batman: The Animated Series
04 Jul 2025
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Summary
"The city has always been filled with superheroes, each of them ready to save the world and day if need to be. However, the world wasn't quite ready for two new supervillains to step in and take the spotlight, as they come in, conquer the world, and claim any girl they come across one by one. Surely, these new isekai'd villains are the ones who will take the world by storm"...
Series
- Part 7 of nightmaster000 and YahooSounding Collabs
- Part 26 of Isekai Inserts
- Part 58 of Mixing up ideas
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Summary
Inspired by the Palcomix series! Helga and the girls get shipwrecked while on a jungle cruise, and find themselves captured by soldiers... and the nightmare only grows worse from here... and unlike the original comic... there may not be a possible happy ending for these girls...
Series
- Part 8 of nightmaster000 and YahooSounding Collabs
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Wonderful Times in the Disney Academy of Students by nightmaster000, YahooSounding
Fandoms: Phineas and Ferb, The Owl House (Cartoon), Disney Theatrical Animated Universe, Milo Murphy's Law, Amphibia (Cartoon), Gravity Falls, Beauty and the Beast - All Media Types, Sabrina: The Animated Series (Cartoon 1999), Hotel Transylvania (Movies), The Ghost and Molly McGee (Cartoon), Brandy & Mr. Whiskers (Cartoon), The Little Mermaid (Disney Animated Movies), Tarzan - All Media Types
22 Apr 2026
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Summary
Disney Academy, the best school for students and teachers alike where anything magical can happen... that's where two souls find themselves being isekai'd into two of their favorite Disney villains... and being surrounded by pretty and beautiful Disney women of the multiverse, attending the school... how could they NOT take advantage of this wonderful opportunity?
Series
- Part 9 of nightmaster000 and YahooSounding Collabs
- Part 27 of Isekai Inserts
- Part 59 of Mixing up ideas
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A Pokemon Trainer And His Furry Women by nightmaster000, YahooSounding
Fandoms: Pocket Monsters | Pokemon - All Media Types, Pocket Monsters | Pokemon (Anime 1997-2023), A Goofy Movie (Movies), Animaniacs
16 Apr 2026
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Summary
What could be better than Ash catching pokemon? How about catching various anthro/furry girls from across media, come join us as Ash becomes the anthro master!
Series
- Part 10 of nightmaster000 and YahooSounding Collabs
- Part 60 of Mixing up ideas
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Slave Gacha by nightmaster000, YahooSounding
Fandoms: Original Work, Dexter's Laboratory, Helluva Boss (Web Series), My Dad the Rock Star (Cartoon)
28 Jun 2025
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Summary
Two regular schmoes in the town of Santa Daymon find a brand new app that they think is a game, but in actuality, can bring women from different forms of media to the real world! Could they use this app to change the world, as well as get a few women of their own along the way?'
Series
- Part 12 of nightmaster000 and YahooSounding Collabs
- Part 62 of Mixing up ideas
- Part 29 of Isekai Inserts
- Part 4 of Roll a Couple
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Halloween Multiversal Madness by nightmaster000, YahooSounding
Fandoms: Scooby Doo - All Media Types, Scooby Doo! and the Goblin King (2008), Total Drama (Cartoon), Friday the 13th Series (Movies)
23 Oct 2025
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Summary
In this mini series of Halloween one-shots, we explore six different scenarios full of scares, chills, horrors, debauchery... and mayhaps some romance or two will develop along the way... although with a scary twist! Read on and find out what happens in each story!
Series
- Part 13 of nightmaster000 and YahooSounding Collabs
- Part 68 of Mixing up ideas
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Nightmare Creatures Take Over Grimsburg by nightmaster000, YahooSounding
Fandoms: IT - Stephen King, IT (Movies - Muschietti), A Nightmare on Elm Street (Movies 1984-1994), A Nightmare on Elm Street (2010), Freddy's Nightmares - A Nightmare on Elm Street: The Series (TV), The Simpsons, Justice League - All Media Types, Total Drama (Cartoon)
30 Oct 2025
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Summary
After rumors have persisted for years, two souls that have isekai'd into movie monsters are finally making their move, turning the town upside down! The real question is, how will the town of Grimsburg react to this new development?
Series
- Part 71 of Mixing up ideas
- Part 14 of nightmaster000 and YahooSounding Collabs
- Part 32 of Isekai Inserts
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Summary
Two souls have isekai'd into minor characters from The Proud Family, and what follows is a tale of two people taking the canon of the show and changing it to their own benefit.
Series
- Part 15 of nightmaster000 and YahooSounding Collabs
- Part 33 of Isekai Inserts
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The Rich Having Their Way by nightmaster000, YahooSounding
Fandoms: The Loud House (Cartoon)
06 Jan 2026
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Summary
In an alternate take on "Out on a Limo", Leni Loud is the one who wins the contest for the Limo of the Day, and is the one who hangs out with Lord Tetherby... however, the story begins to diverge as Tetherby decides to take Leni for himself...
Series
- Part 16 of nightmaster000 and YahooSounding Collabs
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Space Travelling Isekai Tyrants by nightmaster000, YahooSounding
Fandoms: Atomic Betty, Star vs. the Forces of Evil, Super Mario & Related Fandoms, SMG4 (Web Series), Kingdom Hearts (Video Games), Gravity Falls
23 May 2026
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Summary
In a Kingdom Hearts-esque universe of other worlds, two souls get isekai'd to two villains who have lost their worlds to darkness, starting with two girls each that they have captured and are loyal to and on a strange ship with no one else aboard, except for a mysterious character sending them messages in the form of riddles, as the ship goes through various worlds, getting the occupants to fetch some items needed to open the legendary Kingdom Hearts.
With a mission in hand, the two isekai souls set out not only to retrieve items, but also girls from said worlds... with the mission of changing the story of the visited worlds and having them fall into darkness, this is going to be an enjoyable experience!
Series
- Part 17 of nightmaster000 and YahooSounding Collabs
- Part 34 of Isekai Inserts
- Part 77 of Mixing up ideas
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Summary
What if in the episode "New Squid In Town", instead of Timmy trying to distract Mandie with Crocker, he decided to go out and face Mandie on his own... and managed to win? And what if Mandie, because of her alien Amazon warrior culture officially declared Timmy as her fiancee for besting her in battle? How will he get out of this... and... does he WANT to get out of this?
Series
- Part 18 of nightmaster000 and YahooSounding Collabs
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The Judge and the Angel by nightmaster000, YahooSounding
Fandoms: The Hunchback of Notre Dame (Disney Animated Movies), Disney Theatrical Animated Universe, Teen Titans - All Media Types, Teen Titans (Animated Series)
29 Apr 2026
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Summary
In an alternate timeline, instead of the future, Warp had kicked Starfire in the past of Notre Dame, where she meets up with a riding Claude Frollo, who mistakes her for an angel. What happens next between them... well, it could very well decide the history of France itself...
Series
- Part 19 of nightmaster000 and YahooSounding Collabs
- Part 82 of Mixing up ideas