your father is a rich CEO, one of his assassins is Bangchan. He is loyal and really dangerous, so he is perfect to hire. He is always cold and looks scary with his muscular huge body. He seems like he has no feelings but secretely he is in love with you, but he knows if he touch you, your father would kill him in a second and he doesn't wanna play with his trust. He also know that him being an assassin making it impossible to date with you.