The Spawn: a Gravity Falls Story

The Spawn: a Gravity Falls Story

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WpMetadataReadOngoing2h 23m
WpMetadataNoticeLast published Wed, Aug 26, 2026
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Fanfic
Gravity Falls
Original Character (OC)
Self-Insert / Imagines
TV Show
I once saw an mpreg fanart of billford and it haunted me to the point I had a fever dream about the monster child that Bill birthed. Here's a fanfiction I wrote based off it. Also this is kinda of just me trying to cope with having daddy issues.
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#3
stan
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this is billdip siren au obviously sorry I'm not good a descriptions.. ..hope you enjoy the story! --Comments are loved and appreciated-- I don't own gravity falls or any of its characters Also there will be no smut sorry-notsorry

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