She knew she was just a rebound to him, but she loved him to much to mind. He just wanted to forget and he was too heartbroken to realize he was hurting her. But... what happens if this this situation suddenly changes one day and tables turn?        

Ever since Luhan met Bomi, he cannot stop thinking about her... He keeps on dreaming about getting a kiss from her

Forced to break up with her boyfriend Jongin and get engaged with the rich bachelor Luhan, Naeun isn't willing to accept the marriage. However, Luhan asks her to give him a chance. To give him one month to make her fall in love with him and if at the end she doesn't fall for him, they can break the engagement. Completely sure that she isn't going to fall for his charms, Naeun