My Brother's Contract Girlfriend is My Mermaid Bride

GoodShort synopsis

Harper, an entertainment diva who vanished for a year to hide her mermaid identity, returns to the spotlight. Back on land, she finds her boyfriend Rhett is about to get engaged to her enemy. She pretends to be his brother Leo's contract girlfriend to stay close. But Rhett crosses every line in jealousy. He claims to hate her, but secretly never let go. When her secret is exposed and she begins to turn into foam, only then does he learn the truth that she never betrayed him and every step back was for him. Now he kneels and begs. Can he defy fate and save the only one he truly loves?