Jungkook

Jungkook is a rude and domineering man who has his own huge company.
Taehyung is a friend of Jungkook's son who, upon meeting his father, fell in love with him and tried to win his trust.
Taehyung often asked his friend about Jungkook and what kind of personality he liked. After a month of learning more, he asked to come over and decided to act the way his friend said Jungkook liked him.