The CEO, a wealthy man with a stubborn personality who loves to flirt. "A plan to make your business partner's sister fall in love with you, even if she's stubborn and sharp-tongued."

Kim Taehyung, he leader one of the biggest triads in Korea, is a cold, prevent, playboy,heartless, bad boy, gangster, mafia

Park Jimin is cold, ruthless, bossy, domineering, businessman, smoker and clingy but caring.

boss. Park Jimin or he called Mr.Park is a cold, ruthless, domineering, womanizer, strict, playful, clingy, jealous and domineering. He likes to control her