You (Kim Hana) are the sister of Kim Himchan, and used to be in a relationship with Bang Yongguk two years ago, which ended in a bad break-up. Two years later, you are crossing paths again as your brother is about to debut in the same band as Yongguk, and you think that you might be able to be civil to each other now, considering that everything was now a thing of the past, but upon the first meeting, it seems that Yongguk is still