THE GUARDIAN'S FORBIDDEN MISTRESS: Harlequin comics

Nick Coleman grew up a thug in a poor town but since then, with the help of a billionaire named Steinway, he learned about business and is now a billionaire playboy. Steinway's only daughter, Sarah, has always had a crush on him. However, since Nick knew Sarah as a child, he has never seen her as a woman. In an attempt to get him to notice her, she has a male friend pose as her boyfriend. Can Nick stand idly by while the sparks fly?