(Underfell sans x reader (female)) UNDERCOVER
  • Reads 496,113
  • Votes 17,392
  • Parts 56
  • Time 9h 30m
  • Reads 496,113
  • Votes 17,392
  • Parts 56
  • Time 9h 30m
Complete, First published Jan 01, 2018
You're a human that has fallen into Mt. Ebott on the year where all humans dress as monsters...Halloween. So how will the monsters know if you're a human or not?
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