Find a story

Hi, I Know we're not supposed to use this way to find a story but I'm getting desperate to find a story. It's about Darcy and Loki, and Darcy is working at SHIELD. Loki stumbles upon a digital file written by Darcy about a Miss. Violet. Darcy writes some smut stories and Loki wants to know more. There's also some small snippets along the story about Miss violet...