I can stand romance better if it’s part of another genre, like mystery or scifi. Or how about all three?
The woman in the photo is an alien disguised as a human to conduct Earth research for her doctoral thesis. She’s fallen in love with the man, who has recently discovered during the holiday season that his girlfriend is literally out of this world.
The woman’s professor comes to Earth to oversee her research and is found dead. The aliens send detectives to solve the case, and the woman is the prime suspect.