8-year-old Moonbyul meets her brother's best friend Yongsun( 6 years older) and tells her she will be her wife some day, which seems cute at the teenager's eyes. Minhyuk and Yongsun go through many things together and date and break up several times without ending their friendship.  After living abroad for a long time, Yongsun gets back to Seoul and bump into the Moon family, getting shocked when she sees 22-year-old Moonbyul and hear from her ex-boyfriend that the girl is the

He lives with his mother in a village since ever his parents divorced because of him as they always say and he was treated really badly by everyone, even his grandparents because he had a mental disorder causing him to behave like a child although he's a grown young man around twenty-one. His only escape was a young gentleman living a few blocks from their house.      

Baekhyun is a heartless Mafia, so it seemed. He sees life differently, is always money-conscious, and never gives a damn about anyone but himself. Love is forbidden in his life after his previous experience until his driver accidentally knocked down a poor girl.

She only lends her hand for like 5 second.. Never did she thought he would into her forever. 

Milley was on the ground unconcious and seaweed found her.