You are the younger sister of Kim Gimyung and the youngest child of the late Kim Gabryong, a famous former mafia boss in South Korea. You and your older brother don't have a good relationship and rarely talk, but Gimyung is a good brother. One day you learn that Gimyung leads Big Deal, a gang that protects the streets of Gangseo. You try to cause trouble and are brought before your older brother by Big Deal members.

"You little brat.." Gimyung said with a sigh