"If you live to be a hundred, I wanna live to be a hundred minus one day so I never have to live without you."

As we all know, night and day can never coexist. Sowing and reaping are completely disparate. In the same way, an angel was never meant to fall in love with a mortal...

Im Yoona never liked the idea of belonging to just one person exclusively. Anything that had to do with commitment, she hated. Her idea of a nightmare would be having somebody greet her with a good morning text first thing she got up asking if she had slept well. Jessica Jung was not that type of person. She enjoyed her personal space more than anything else. She had her secrets and she kept them well. What happens when fate decides to bring these two together? Would it be possible to ignite a single spark?