Her Billionaire Daddy by Allison West

He owns the hottest lifestyle club in all of New York City. It’s secretive, exclusive, and caters to Daddy Doms.
Romance author, Samantha Bellamy, is shocked when she attends a book signing and runs into her high school crush, Martin Taylor.
He’s a billionaire with a secret. He’s owner of an exclusive club for Daddy Doms and littles to openly explore the lifestyle. He’s also notorious for his playboy personality, bedding a new woman every night. There’s a deal to be made worth potentially billions and Martin can’t let it get away. The only problem is the board of directors doesn’t like his playboy persona. He offers Samantha the deal of a lifetime. Marry him for eighteen months and receive two million dollars for her trouble. The only catch, no sex. Oh, and she has to call him Daddy!