Seonghwa is someone friendly but can be very serious while dealing with sensitive matters, he is a rich Ceo but the secret behind this wealth is that he is working as a spy, And no one knows his true identity. He wanted this because it would be easier to know the strategies of other companies in depth, thus making his own grow faster... But he can end up killing bad people too, he has a magnificent reflex, and when he falls in love he will seem shy at first but then he will treat you like royalt