Not a Substitute, I Married a Billionaire CEO

Patty, Brady's girlfriend and agent, has devoted herself to the team for seven years, even secretly investing to save it. On the night of their championship victory, Patty discovers she's merely a substitute for Brady's first love and stepsister, Claire! She resolutely marries the heir to a top-tier wealthy family—who happens to be Brady's arch-rival and her one-night stand?!