A familiar face from Spencer's past joins the BAU, his ex-girlfriend, who left him fourteen years, two months, and fifteen days ago. A slow-burn love story in which she and Spencer figure out who they are together and apart, and whether or not the horrific things they'd done and been through over the years are enough to keep them together... or destroy them.

A collection of fluffy and angsty (and sometimes both) Spencer Reid x Reader oneshots. You can also find each one on Tumblr (mercy-burning) and AO3 (mercyburning)

Y/n recently transferred to the BAU. She quickly became closer to a fellow agent than she ever thought possible. Will her past ruin her future, or will she get the happy ending she deserves? (I do not own all of the characters nor some of the cases in this story)

You're killings started a year ago. The BAU couldn't find you, until you decided to give them a visit. After a few years you and Spencer become sexual partners.

When Y/N joins the BAU, a certain young doctor can't help but notice her. highest rank : #12 in spencer

Tired of being single and alone, Spencer Reid turns to an online chat room and gets more than he bargained for. A hell of a lot more. Especially when he discovers the person he's been communicating with for weeks, is someone he knows. **please read warnings in bio before reading**

Here's a collection of one shots centering around everyone's favorite genius.

Y/n and Spencer don't get along. When they move in together their relationship suddenly changes.

An Ongoing story of Spencer Reid and y/n with so many ups and downs Does contain Smut and fluff