Mildmay The Fox and Felix Harrowgate, from Sarah Monette’s series Doctrine of Labyrinths.
I couldn’t put this series down. Amazing characterization, amazing worldbuilding, amazing character arcs and emotional poignancy, and hit so many of my buttons. I love these two dysfunctional idiots.
“Some truths, over time, can learn to play nice Some truths are sharper than knives Some truths we only see in the corners of our eyes Some truths we wish we could hide”