Hana ( you ) and jongin ( aka kai ) are dating , happy and love each other a lot.

Until one day , when joingin' ex girlfriend , jiyeon found out that the both of you are dating , she threathed jongin to leave you , or you will be in danger . 

' hana , I love you , I'll always protect you , and stay by your side . I'll never leave you . NEVER . '   

                                                     ' stop lying . You left '