In there mission of targeting the villain.The villian is a rich man who killed inocent people and became strong.kim jae became someone else,she change everything about her,she then bacame the villain's lover,her plan is to kill him when he's not around,she plans to kill the villain by poisoning to not see a pain,a few weeks they dated and Kim jae was making a drink for the villian,the villain then accept her drink,but little did he know that the drink had rat poison,after the villian drank it,he felt conscious and dizzy,Kim jae then acted that she was very shocked and sad,Kim jae porpused for the villian to be late to go to the hospital,then it was late for the villain to be breathing,at the villians funeral,she wipes away faked tears,no one got suspicious about theme dating for a few weeks and suddenly died,the villian was aged and there's no shocked to be dead.(Kim jaes POV)