I didn't have it in myself to go with grace (And you're the hero flying around saving face)
Post season five (canon compliant until 5x16).
The one where Lena fakes her death.
"She hadn’t planned on faking her own death. She hadn’t planned for any of this to be honest. But she saw Lex fall and she had personally stopped Leviathan.
She could rest. She could leave Kara and her lies behind.
She didn’t have to be a Luthor anymore. There wasn’t anything but trouble and heartbreak waiting for her in National City. And maybe, just maybe this would hurt Supergirl just as much as she had hurt her."
-- This work has now been edited by the incredibly kind Snowydragon --
- Part 1 of I didn't have it in myself to go with grace (And you're the hero flying around saving face)