You and Kai were an asassin from different agencies.. The two of you have always seen each other because you always manage to finish the target before him first... He is always pissed because you always took down his target first..

One day, the two of you went on another mission.. It was a masquerade ball.. You were wearing a red dress and a red masquerade mask.. Kai on the other hand was wearing a black suit and a black mask.. You saw your target and decided to make a move..