7 Bookmarks

List of Bookmarks

1. BBP by Flamby

   Fandoms: Undertale (Video Game)  

   • Not Rated
   • No Archive Warnings Apply
   • No category
   • Work in Progress

   08 May 2021

   Tags

   • No Archive Warnings Apply
   • Brotherly Love - Relationship
   • No Romantic Relationship(s)
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Alphys (Undertale)
   • Undyne (Undertale)
   • Grillby (Undertale)
   • Toriel (Undertale)
   • Flowey (Undertale)
   • roman (undertale)
   • Babybones (Undertale)
   • Baby Sans (Undertale)
   • Big Brother Papyrus (Undertale)
   • Younger Brother Sans (Undertale)
   • Scientist Sans (Undertale)
   • Sans (Undertale) Needs a Hug
   • Protective Papyrus (Undertale)
   • Adorable Sans (Undertale)
   • Cinnamon Roll Sans (Undertale)
   • Pre-Canon
   • Brotherly Love
   • Bedtime Stories
   • skelebros
   • baby bones
   • Nice Flowey (Undertale)
   • Science Experiments
   • Other Undertale characters - Freeform
   • Crying
   • Fluff
   • grillby is a babysitter
   • Alphys messed up
   • Transformation
   • change
   • Alternate Universe - Gaster Blaster (Undertale)
   • Gaster Blaster Sans (Undertale)
   • Gaster Blaster Papyrus (Undertale)
   • Good W. D. Gaster
   • Scientist W. D. Gaster
   • Broster

   Summary

   Following a small personal revenge on the part of Alphys, Sans begins to rejuvenate more and more until being a baby.

   Language:

   English

   Words:

   3,441

   Chapters:

   4/?

   Comments:

   3

   Kudos:

   61

   Bookmarks:

   7

   Hits:

   1,683

2. Bookmarked by KTamao205

   10 Apr 2025

   Public Bookmark

   Bookmark Notes:

   Ch 3

3. Bookmarked by Davidz_564

   26 Jun 2023

   Public Bookmark

4. Bookmarked by Ayako_Drawingz

   17 Mar 2023

   Public Bookmark

5. Bookmarked by Reythorfalen

   17 Oct 2022

   Public Bookmark

6. Bookmarked by summer164

   16 Aug 2021

   Public Bookmark

   Bookmark Tags:

   • Age Regression/De-Aging

7. Bookmarked by Lizzie_Tempest

   06 Jun 2021

   Public Bookmark

8. Bookmarked by NewMoonChild

   31 Jan 2021

   Public Bookmark