Jeon Jungkook is one of the largest businessmen...but in secret he is a mafia boss

You work for him as a personal maid, and when he saw you, he became obsessed with you to the point of madness, and if he saw you talking to another boy, he would definitely kill him

He also maintains his sanity in front of her and treats her coldly and harshly

One day he asked you for coffee and you went and gave him the coffee

Jungkook: Put it on the table and go