Mated and Alone by Talia Rhea

Tsok has always done what is best for his people. As the Char of Kree, he is meant to be a model citizen and male, setting the example for his people and represent them on the intergalactic stage. That is why he decided to sign up at True Match and find his mate. The kreecharma people have long turned their back on mating due to its dangers, but this is a way to do it safely and he wants to pioneer his people into the future.
That is how Char Tsok found himself mated.

Misty has always done what is best for her friends. She gave her all for them, only for her friend to stab her in the back and frame her for theft. Just when things are looking bad, she’s given an out. She has been matched through True Match and she can get away from all the people who’ve ever looked at her sideways because she was the goth girl from the wrong side of the tracks. But her new mate apparently wants nothing to do with her. He barely said hello, he never comes to see her, it’s like they aren’t even together.
That is how Misty found herself alone.

Mated and Alone is a MF stand alone romance as part of a greater Coalition Universe. Though it is part of a series, there’s no need to read the other books to catch up.