Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. Maximum potential by orphan_account

   Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)  

   • Not Rated
   • No Archive Warnings Apply
   • Gen
   • Complete Work

   24 Aug 2025

   Tags

   • No Archive Warnings Apply
   • Agnes Tachyon (Uma Musume)
   • Weight Gain
   • Rapid weight gain
   • Immobility
   • Belly Kink

   Summary

   Agnes Tachyon's recent project has a drastic effect on her waistline. How far is she willing to go for her research?

   Language:

   English

   Words:

   2,857

   Chapters:

   1/1

   Kudos:

   39

   Bookmarks:

   4

   Hits:

   1,826