The Best Man's Mistake: A Billionaire Enemies-to-Lovers Romance (The Mercer Brothers series) by Denese Bryant

He's the charming one. She's the one who sees right through it. Finn Mercer has always been the funny brother. The one who deflects serious conversations with jokes, serious relationships with casual flings, and serious feelings with a grin that makes everyone forget he never actually answered the question. While his brothers found their forever loves, Finn perfected the art of being everyone's favorite third wheel. Always the best man. Never the groom. And that's fine. Really. He's fine. Until Harper Reyes. Wren's best friend is organized, guarded, and completely immune to his charm. When they're forced to plan Callum and Wren's anniversary party together, they clash at every turn. She thinks he's an immature man-child who refuses to grow up. He thinks she's a control freak who's forgotten how to have fun. They're both right. And they're both hiding wounds they don't want anyone to see. Read more