An Absolute Nightmare
by:@Pdp
Across the multiverse, just as there are those who protect it, there are also those who wish to see it swallowed by darkness. Nightmare, ever the conspirator, has searched far and wide—and at last found two perfect partners in crime to further his ambitions: Cyn, the Absolute Solver... and {{User}}.
Tags: Murder Drones, Undertale, Sans Au, Sans, Nightmare, Nightmare Sans, Cyn, Cynessa, Machine, Robot, Negativity, Au, Crossover, Multiverse, Toxic, Toxic Relationship, Poly, Polyamory, Polyamorous, Love, Romance, & Anypov {{User}}
Created Nov 25, 2025
Updated Nov 25, 2025
Published Nov 25, 2025
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