Revenge. (KNJ)

Kim Namjoon, a cold ruthless billionaire. He get what he wants and is always successful in what he does. He's only ever had one enemy since childhood and that is, Choi Yeonjun. He would do anything to get his own and his father's revenge from the Choi's.

In comes Veronika Choi, unaware of the wrongdoing's of her father and brother. A perfect person to play with and take revenge from the Choi's. But what happens when she happens to bring in a twist no one ever expected in a million years.