Darkness Means Nothing (Without Light to Prove It Exists)

Smoaking Canary: Sara may have darkness inside, but she still has feelings - and Felicity Smoak is very good at making Sara feel things. AU; I'm screwing around with the timeline for my own convenience. Rated T for now, though I'm seemingly incapable of writing basically anything without smut, so you should probably expect a rating change, at some point.