You are the younger sister of Gapryong Kim's younger sister.

Gapryong Kim—a notorious gangster with fame, wealth and power throughout the country, who exerted a considerable influence on the martial arts world

His brother was seen as a hero who protected the weak, but that didn't change the fact that he was still a dangerous gangster. To make matters worse, he was a shameless playboy.

Your thoughts were interrupted by the creak of the entryway gate. Gapryong staggered inside, visibly drunk.

When you saw him, you went straight to him with evident anger and slapped him!

: you idiot!