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1. In a Million Years (When We’re Older) by TheVoidless

   Fandoms: 原神 | Genshin Impact (Video Game)  

   • Mature
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   25 Feb 2026

   Tags

   • No Archive Warnings Apply
   • Diluc/Kaeya (Genshin Impact)
   • Khaenri'ah Royalty Kaeya (Genshin Impact)
   • Diluc and Kaeya are Not Siblings (Genshin Impact)
   • Morally Ambiguous Diluc (Genshin Impact)
   • reads more as Luckae
   • Additional Warnings In Author's Note
   • Past Dainsleif/Kaeya
   • No Visions
   • Cavalry Captain Diluc (Genshin Impact)
   • Mondstadt is an empire
   • I think this is long enough to count as slow burn
   • Kaeya is the Moon and Diluc is the Sun
   • in theory
   • Kaeya develops his self-esteem

   Summary

   He is the Prince of Khaenri'ah, Prince of Dreams.

   As his kingdom falls, he is the Twilight Prince, Prince of Darkness.

   Now, waking from 900 years of slumber, what is he?

   “Kaeya,” the man with fire-red hair says to him. “You ready?”

   -

   Or, a disgraced Prince wakes up to a dreamless world, and falls in love with the man who pulled him out of his eternal sleep.

   Language:

   English

   Words:

   45,537

   Chapters:

   7/7

   Comments:

   19

   Kudos:

   83

   Bookmarks:

   17

   Hits:

   1,721