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1. Spectrum by PineWreaths

   Fandoms: Gravity Falls  

   • Explicit
   • No Archive Warnings Apply
   • F/M, Multi
   • Complete Work

   02 Oct 2015

   Tags

   • No Archive Warnings Apply
   • Dipper Pines/Mabel Pines
   • Dipper Pines
   • Mabel Pines
   • NSFW
   • Harem
   • Mabel Spectrum AU
   • pinescest - Freeform

   Summary

   Mabel has been acting odd all week, trying to keep a huge surprise from her brother; Surely she can keep a secret like that all by herself?

   Series

   • Part 1 of The Mabel Spectrum

   Language:

   English

   Words:

   15,772

   Chapters:

   4/4

   Comments:

   5

   Kudos:

   55

   Bookmarks:

   8

   Hits:

   4,356