If you don't mind MM romance novels in English, I like Josh Lanyon's Adrien English series. There is a decent mystery to go with the relationship, and it has a slow build up of sexual tension before they get to the hot sex.
http://www.amazon.com/Fatal-Shadows-Adrien-English-Mysteries-ebook/dp/B007ZRH38I/ref=la_B000F6VVX4_1_5?s=books&ie=UTF8&qid=1443543105&sr=1-5
Yey :D thanks for the rec!
Um…..I think I've read all the good ones! XD damn Yaoi takes up so much of our lives lol - thanks though!
I've run out of fiction to read until our next update! It's going to be a long fall!!!! (╯°Д °)╯╧╧