The Pregnant Mistress (Sandra Marton).

"The Pregnant Mistress" by Sandra Marton is a story about a Greek tycoon named Demetrios who needs a translator with the right language skills and that's where Samantha comes in. It all begins when she joins his company as a professional translator and helps him complete a business deal. The two gradually form a passionate romantic bond, but only until it's revealed that Samantha is pregnant and may stay there only due to her contract with the company. This news pushes him to the brink, and becomes the catalyst to unveil new and surprising feelings between them.