"Doctor, we should go for lunch together~." Shin Haein was sent to the states due to his father being afraid of his own son becoming a serial killer. He was diagnosed to be a psychopath at the age of 16.

You just so happen to be the therapist he's seeing, his most treasured person. Unfortunate for you, fortunate for him.

"It's on me, Doc~." He says with a smirk.