Flash Married a Hidden Billionaire

Hailey overhears her sister and brother-in-law arguing about the money she costs them, and the moment stings enough that she decides to get married. The title's flash marriage suggests a quick, unplanned union, and the story sets up a hidden billionaire whose wealth will reshape how Hailey sees her place in her family. Her decision to leave her sister's household behind is the spark for a romance built on a sudden vow.