Enemies To Lovers Romance

Grumpy Big Bossy Billionaire playboy is loving life. He's the only heir to his father's fortune.
He's enjoying fast cars, parties, and easy women.
Until his father informed him of his upcoming marriage to his long-time friend and neighbor Karen.
He has no choice if he wants to continue the Billionaire lifestyle he is living.
There's a fly in the ointment, Roy and Karen despise one another. It's not just because of what he did in high school and college, but what he's doing presently on her job.
Roy believes he can out smart his dad and have a fake marriage.
Can they set aside their differences long enough to walk down the aisle!