- THE UNEXPECTED SERIES : BOOK III - There's a story that Heeseung never told his friends. A story that took place 14 years ago. Edlyn was never his first love. It was Jung Areum. A girl who gets on his nerves a lot and who always catches his attention every time. So what made him forget her? What made him decide to move on? What made him and his best friend, Beomgyu drift apart? Read more to find out about Areum, Heeseung and Beomgyu's love triangle.

- THE UNEXPECTED SERIES : BOOK II - Daera came back to Seoul as an intern at the Park Specialist Hospital, knowing she would have to see Sunghoon who broke her heart, every day. But little did she know, her heart started growing for Jay, who has always been a gentleman to her. Will she ever know her true feelings? Will she know who has won her heart all the time? Unexpected murders happened too often that made them suspicious of something. Daera, Sunghoon and Jay must find the culprit behind all of the murders and the reason for it.