Chikai no Kiss wa Tenshi no Tame ni

Tony Caroselli will receive thirty million dollars if he gets married within the year and provides a male heir. So Tony, who has no interest in relationships, has offered Alice a short-term business arrangement. But on their wedding day, an unexpected guest turns up—Lucy. She’s Tony’s former girlfriend who left him four months ago. Lucy certainly looks different from what Tony remembers, though. To his surprise, she is pregnant with his child!