Accidental Mistress

"The things she had to do to save her family business Emily Quest had dressed to the nines and gone to an awful party, where she'd been rescued by a handsome stranger.
Despite the sizzling attraction between them, Emily never thought she'd see him again. But now he's right in front of her, as gorgeous as ever Ethan West thinks Emily is a rapacious good-time girl, and he's about to make her face the consequences--in his bed"