Signed Over to Santino (Harlequin Presents Book 3439)

Santino's six-week mistress 

Reeling from a family tragedy, champion figure skater Carla Nardozzi loses her virginity in one uncharacteristic night of oblivion with Spanish aristocrat Javier Santino. She flees the next morning, not knowing her rejection has earned her a black mark… 

Three years later, Carla needs Javier's help and he seizes his opportunity for retribution: Carla must become his lover to save her home. Javier should be satisfied; his ice princess is thawing once more. But as the passion heats up between them, Javier realizes he's found something even sweeter than revenge!