Rescuing His Rebound (Hidden Desire)

He doesn't have any idea why his girlfriend left him. They've been a couple for six years already. But when he finally decided to propose to her on his birthday he found out that she's gone. He kept looking for her, but she was nowhere to be found. He was hurt pretty bad. The anger in his heart made him realize something. He'll prove that he could replace her easily. And there's only one on his mind that could be his rebound. An opportunity came but could he really use her just to move on? He's aware that would just complicate his life even more. And what if his girlfriend returned to claim him when he's already happy without her. What is he gonna do? Will he give her another chance? or Will he let go of the past and choose his rebound to spare himself from heartache?