Sehuns father had been killed by a batch of gangster. Luckily he is alive. After his fathers death, he stay with Mr. Daniel Henny, his fathers bestfriend which also works as Special Agent of Korean Crime Investigation(KCI). Sehun wants to get revenge for his fathers death but Mr.Daniel told him to be patient because they still dont know who was responsible for the murder. Sehun had been recruited as SA for his skills and he completed all of his task with excellent achievement but one day, he get a task to investigate about Mr. Lee Deok Hwa. In order to do that, he try to become close with Lee Yoona, Mr Lees daughter.  ForewordOH SEHUNIM YOONA(LEE YOONA)DANIEL HENNYLEE DEOK HWAYUNHO   This is my first story and english is not my native language so ill be plesure if you guys can comment my mistakes.I will try to improve..well then, hope you guys will enjoy this story. ^_^