Sasha's Calling — T.C. Archer

Spy for hire Sasha Smirnov has stolen classified data. One man stands in her way of escape: sexy diplomat Dirk Roscoepilot. A sizzling kiss burns him into her memory--and her body. She stows away on a spaceship, only to find Dirk is the pilot. She doesn't count on the passion that explodes between them, or the choice that forces her into his bed. If she is to save her planet, Sasha must get as far away from Dirk as possible.
This is erotic romance.
Bonus chapter the paranormal erotic menage Sin Incarnate.