His fiancee lost her parents so she will be living with the Hyeons, but Sang-Won is a middle school student and the fiancée is a 24 year old adult!? Sang-Won tries to deny that his fiancée is 9 years older than him, but seeing that she does not act her age, he then feels comfortable around her. His fiancée seems kind and innocent on the outside, but on the inside…

11 years ago, Eun Sung-min was one of the few survivors from a village that experienced the “Evil Phenomenon”. He and his maid were saved by the mysterious Phantom King and his group, Phantom. Now the Special Environmental Protection Agency is searching for the answers to what happened on that fateful day, and how to combat the “Evil Spirits” that caused such mayhem.

Taehyun Choi lives with his sister Hakyung Choi. You could say they have a normal life. On the one hand Hakyung has a good job and is successful, however Taehyun isn’t good at studying. His life takes a drastic change when he accidentally learns that he and Hakyung aren’t siblings. Which is why he decides to confront her, but then she suffers a serious accident and loses her memory. This is where everything will change, because those feelings of kinship will become much more important.