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Summary
Defernull Tenna is your boss. Your job is to obey, and serve, and only his gentle glow and his commands matter.
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A hentai doujin in written format.
Defernull AU means edgy, evil, unpleasant people. Tenna is not cute in this AU. He's if the Lightners only watched horrible conspiracy TV and is aimed at adults.
Mind the tags and your comfort. This is not for you if losing any semblance of control in the first person perspective bothers you. This is an akumu-ship, not a yume-ship.
Hypnotism means Tenna can and does make the reader insert do whatever he wants. He is not nice. Also, Spamton is there, but he's jealous reader can actually fuck the big man without serious repercussions. He is also worse, somehow. And brought decades of being a hot shot, big-time famous slut with him.
Chapter 2 has puppet chest stitches being touched. Chapters 4 and 9 have the ovi.
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A one-shot series of several raucous nights between Mr. Ant Tenna and Spamton G. Spamton. After turning off the parental controls, Tenna starts to fall for Spamton. Exploration, emotions, and eroticism ensue!
There’s no overarching story and every chapter can be read as its own separate smutty story or as part of one big timeline (you decide!) so if you’re looking for good ol fashioned smut, you’ve come to the right place! I’ll also update chapters out of order to fit the timeline so if this fic gets updated, be sure to check for a new chapter somewhere in the middle!
Series
- Part 1 of Spamtenna One-Shots and Short Stories
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The Beast You've Made Me by I_want_a_coffee
Fandoms: Deltarune (Video Game), Undertale (Video Game)
20 Dec 2025
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He swallowed hard, trembling but unable to tear his gaze away from the being before him. Fear still rooted him in place, but curiosity—foolish, human curiosity—kept his eyes fixed on the way the moonlight caught the monster’s fur, the faint curl of his antennae, the glint of sharp teeth in the dark.
It should have been pure terror. And yet… it wasn’t.
And that fact almost scared him more than the monster did.
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A Spamtenna Monster/Human Undertale AU inspired by Beauty and the Beast
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“Things might suck right now, but you’re going to be okay in the end I promise.” This voice didn’t come from behind or above him, or anywhere he would have expected to hear a voice.
It wasn’t even inside his head like Mike used to be, instead it felt as though it was emanating from his very own heart and soul.
“Don’t be afraid, I’m not like Mike.” Those words did little to bring him comfort, instead only bringing him a deeper sense of panic as he followed the single red wire down to his chest.“WHAT THE [&!@%] ARE YOU!?”
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Following Spamton's failed ascension and a fight with the heroes of Prophecy, Spamton discovers that he's traded one set of strings for another when Kris does as he requested and gives him (a piece of) their Soul.
They say they want to help him be free and get the happy ending they deserve, but who knows. He's been burned by disembodied voices before.
Series
- Part 1 of The Red Wire
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Ghost was a lonely Addison.
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On a quiet night in Cyber City, Ghost Addison receives an email that changes the trajectory of his life.Updates every Friday.
(Total fic length will be about 60,000 words.)
Fanfic animated trailer: https://youtu.be/IuIvi0wVEVI?si=rETT7xwYjzpc1dPY (made by me)
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"Predation is an instinctive, natural behavior, and it’s found in all animals to a certain extent. Some may live purely for the thrill of the chase, while others want to catch and kill their target."
Mr. Ent. Tenna, the entomologist from a research facility, would've never had to be the one to experience prey drive, nor be the prey in question. He works with insects! They're not that big and dealing with them is easy, especially considering his height.
That is, until a new specimen twice his size became his main study object. Or, well, he became theirs.
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Spamton NEO got a hand job by his lovingly CRT
SNEO正在置气……但Tenna刚好知道怎么让他从zip文件解压，比如一点小小的sweet talk和手活！ -
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indirectly sex，Spamton NEO came to rape his sleeping CRT and get caught instead(Surprise!Tenna is into it!)
某大鸟半夜前来睡奸对象结果被抓住了！- Language:
- 中文-普通话 國語
- Words:
- 1,263
- Chapters:
- 1/1
- Kudos:
- 6
- Hits:
- 202
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Spamton becomes the owner of the NEO body and fucks Tenna with it.
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As Kris and Spamton went back to the basement for the Neo Body, FRIEND scooped both of them up and pulled them into the darkness.
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You wanna feel it but it's not quite there by Hemlock_Sweet_Candy
Fandoms: Deltarune (Video Game)
14 Dec 2025
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This time Spamton lets Tenna cradle his head in his sheathed claws. “Spam I know everything's been stressful lately, but we're partners. We’ve always been partners. Now I guess it’s just written in ink.” Tenna laughs to himself. “You can tell me anything. I won’t leave you,” the TV smiles and leans closer to Spamton, “cause you won’t leave me.”
Spamton nuzzles into the gloved hand, appreciating the warmth Tenna radiates. “I KNOW [[10/10]] I’M SORRY.”
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Fic that follows Spamton and Tenna's reunion after the NEO incident and after Spamton has a horrible nightmare.
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Gross Freakay Spamtenna NSFW Art
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Everything was perfect between the two.
They had their show, they had each other and they even shared this new fondness together.
Where did it all go wrong?Tenna hates how much he still loves him and what he made him feel.
He craves it back, painfully so.Series
- Part 3 of Craving more than just his love
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The Ship of Theseus is Stressing Me Out [COMIC] by cuddlesome
Fandoms: Deltarune (Video Game)
04 Dec 2025
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DO YOU WANT [fries] WITH THAT [existential dread], KRIS?
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Spamton thinks, not for the first time and certainly not for the last, that something is terribly wrong with him.
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Repairing the digital scars by womenofthedoom for manofthepipis, CartoonInsomnia
Fandoms: Deltarune
04 Dec 2025
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Spamton meets Tenna
and offers him a deal
He'll work with Tenna
And in return, he'll tell his the secret to being a big shot -
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what it says on the tin
please read the tags/chapter warnings
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Spamton wished she never picked up the phone. Never took that deal. But there was a lot to regret in the intersection of her past and her present.
The line between past and present was called perfect. And she wished she could have erased all her mistakes.
The story of Spamton's trash era leading up to the NEO fight from picking up the phone.Series
- Part 2 of Past, Present, and NEO
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What happens when you have a kinda functioning situationship with apparently no commitment besides liking each other but then there happens to be a child that you forgot about?
Nothing good for someone with commitment issues or maybe an opportunity to become more than roommates again.
Series
- Part 4 of You’re so cute, I could just eat you up!
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Spamton gets extra frisky in his NEO form...
Written for Wanksgiving 2025.