My Brother's Contract Girlfriend is My Mermaid Bride

Harper keeps her true identity hidden when she comes back into her old life and discovers that Rhett, her former partner, has become engaged to a woman who has long been her rival. Stepping into the middle of that tangle, she finds herself pulled into a situation that stirs up old feelings and unfinished history. The story centers on what she chooses to reveal, and what she is willing to risk, as her past and present collide.