From Fake Dreams by Third Fang [Fate/stay night]

Synopsis:

Emiya Kiritsugu was happy living the rest of his short days. He had put his past behind him... until he began to dream of futures that had yet to be. Let it be known that the Magus Killer was not dangerous simply because he was dying and had no plans to fight.

Words: 1149k+ (at the time of writing this)

Last update: September 18 2021 (at the time of writing this)

Link: https://m.fanfiction.net/s/7207791/1/