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1. Unihemispherical- Conquering Sleep by LezBadeez

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

   • Not Rated
   • No Archive Warnings Apply
   • F/F
   • Work in Progress

   02 Jul 2026

   Tags

   • No Archive Warnings Apply
   • Unihemispherical (Uma Musume OC)
   • Hayakawa Tazuna (Uma Musume)
   • Akikawa Yayoi (Uma Musume)
   • Child Neglect
   • Trans Female Character
   • Umestrogen
   • Okay it starts off pretty bad but it'll get better I promise
   • Transphobia
   • HRT | Hormone Replacement Therapy
   • Horsefem
   • Multiplicity/Plurality
   • Brain Surgery performed on self
   • You know. One of the most safe things ever. Definitely.

   Summary

   An umamusume vows to eliminate the need for sleep, to better the whole of the world and give everyone the extra 8 hours in a day! So far, her incredibly dangerous experiment has had one successful test subject- herself- and she'll prove to the world just how powerful she can be!

   Language:

   English

   Words:

   10,441

   Chapters:

   9/?

   Comments:

   57

   Kudos:

   63

   Bookmarks:

   7

   Hits:

   1,107