So The Breaking of M is a 16th century gay romance with unreliable and evasive narrator, involving pirates, spies, priests, cross-dressing, masked orgies, and the dubious transport of rubies. It also involves a fair bit of kink which kind of happens during the course of the character development and plot. And it is also very hot in places. I found myself yelling at the lead character a hell of a lot, while at the same time being extremely fond of him.
Official summary: Matimeo Calvisia, spy and rake, finds himself in 16th-century Venice and faced with an apparently insurmountable challenge: the widely-read but narrowly-lived Padre Vito Bonifatigo is calling his credentials into question. The prickings of Matimeo’s pride lead him through a moral maze and dog him all the way across the Atlantic, but sooner or later something has to give…
ALSO, IT'S CHEAP: $1.99. So it's not a huge output to give it a go.
Buy it heeere.
It's only available as a Kindle book, but if you don't have a Kindle (like meeee) you can in fact download a desktop edition on which to read it.