Bad Sans Poly Undertale
Polyamorous relationship fics between the bad Sans gang (+ Error sometimes) from the Undertale fandom.
(Closed, Moderated, Anonymous)
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Summary
Cross has a terrible time inside his own mind.
Series
- Part 8 of Undertale AU Oneshots
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Summary
As usual, Killer was messing with Cross for attention. Unfortunately for them, Nightmare wasn’t in the mood for their theatrics. If they were going to cut into his free time, Nightmare might as well get some enjoyment out of it.
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Summary
Dust and Killer wake up to a surprise, and apparently Nightmare and Cross have left the building?
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Truth be told, Nightmare did not come down to the cellar very often. Usually, there was no reason to; despite the fact that it was where their prison cells were, all of them were empty.
Usually, anyway. It was a bit too risky to allow anyone into the AU he considered his home, if only because of his boys and their safety.
But every rule, even an unwritten one, had exceptions. And today's exception was a spy that Nightmare fully intended to milk for the information he'd gathered.
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Summary
After a heated workout, Killer puts some juicy and thought provoking ideas in the horny Cross’ head. Right as their mate Nightmare (who has his female Ecto body on display) is working it in the gym.
Needless to say, Cross can't wait until night falls to see if Killer words are true. Because it's his turn to sleep with his king.