Where in Lisa Manoban is a cupid and is set to become a human in 2 months. On other hand, there is Jennie Kim and Jisoo Kim. Both neighbors, bussiness partners, but never became friends. They are having an arranged marriage so they need to love each other. But if Lisa is trying to help them, Jennie Kim fell in love with Lisa. [Valentine's Day Special / Read Prologue for more info]