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1. Tharsos/Thrasos by hedgehog_tummy

   Fandoms: The Mars House - Natasha Pulley  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • Other
   • Complete Work

   11 Aug 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • River Gale/January Stirling
   • River Gale/Max Liu
   • Evil!River/Evil!January
   • Evil!River/Evil!Max
   • River Gale
   • January Stirling
   • Max Liu
   • Aubrey Gale
   • Sasha Martinez
   • Guang Song
   • mirror universe au
   • Good/Evil River swap

   Summary

   Rivers from two mirror universes are swapped in a violent storm. Now Good River must try to survive the intrigue on Thrasos. Will Evil River destroy Good River's home universe of Tharsos before they can return?

   Loosely inspired by Star Trek TOS "Mirror, Mirror."
   

   Language:

   English

   Words:

   21,730

   Chapters:

   7/7

   Comments:

   10

   Kudos:

   3

   Hits:

   89