In the Spaniard's Bed (Harlequin comics)

Cassandra is shocked by her brother’s request. He begs her to listen to a demand of Diego's, their company's financial investor. Diego will help save the family company from crumbling—but Diego wants Cassandra to sleep with him! With the kiss Diego stole from her years ago still fresh in her mind, Cassandra's pulse races every time she runs into him. But if she lets herself fall for him, neither her body nor her heart will come out of this unscathed. Still, she has no choice but to give in to Diego’s demand if she wants to help her brother. What will become of her now?