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1. By the Book by standardusername

   Fandoms: Supergirl (TV 2015)  

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

   16 Mar 2026

   Tags

   • No Archive Warnings Apply
   • Kara Danvers/Lena Luthor
   • Kara Danvers
   • Lena Luthor
   • Eliza Danvers
   • Alex Danvers
   • Nia Nal
   • Leslie Willis
   • Eve Teschmacher
   • Cat Grant
   • Andrea Rojas
   • Alternate Universe - High School
   • Alernative universe - military school
   • Alternate Universe - Cadet Kelly Fusion
   • Kara Danvers has ADHD
   • Lena Luthor Needs a Hug
   • Alternate Universe - No Powers
   • Enemies to Friends to Lovers
   • Heartache
   • Secret Relationship
   • smut but none in part one
   • Fluff and Angst
   • part 2 will be a 10 year time jump
   • Possessive Lena Luthor
   • Spoiled Lena Luthor
   • Lena is a brat
   • Dom/sub Undertones
   • Kind Of
   • Fluff and Smut
   • Shameless Smut
   • Domestic Fluff

   Summary

   Kara Danvers is sent to a strict military academy where she struggles to fit in and doesn't understand the rules. She almost immediately makes an enemy in her squad leader, Captain Lena Luthor, who does everything by the book.

   A sort of Cadet Kelly AU but completely different.

   Language:

   English

   Words:

   53,970

   Chapters:

   2/2

   Comments:

   15

   Kudos:

   156

   Bookmarks:

   39

   Hits:

   2,307