Mistress for A Night: Harlequin comics

Georgia was your plain, timid and chubby everyday teenager thrown into a world of wealth and extravagance when her mom remarried. Her simple crush on her new stepbrother, Jason, turned into a midnight mistake, and an accidental pregnancy drove a spike into their newfound happy family life. Seven years later, Georgia has inherited the entire estate, but she's all alone in the world except for her distant, former love. Will the truth come out about what happened to Georgia the fateful night she found out she was pregnant, and will Jason believe her? With their parents gone, Jason and Georgia can either become a family again or embrace this chance to be free of each other.