Choi Jun is 20 years old and in college, studying medicine to become a surgeon. Jun is the type of person who is very reserved, cold, and calculating. Jun doesn't like talking to people—instead, he hates them. Jun is insanely smart and intelligent. Jun is actually a genius—solving an equation in one second.

But he has a traumatic family background. Jun's father was a Korean serial killer who killed seventeen people. At that time, Jun wasn't born yet—he was in his mother's womb. Jun's father is still in jail now, but because of this, Jun's life wasn't perfect. Everyone bullied and hated Jun since childhood. Everyone used to call him a psycho because they thought he had the blood of a serial killer—but it wasn't true.

Jun visits a pet house and takes care of the animals. Jun even has a pet dog. The thing is, Jun has been treated badly since childhood, and everyone hates him whenever or wherever he goes. Jun is rich but never had love and attention other than from his mother. His mother took care of him. Jun never had a friend or a girlfriend.

On the other side, you study in the same college as Jun but have never met him—because you're actually a popular girl. Everyone loves you and admires you, especially men, because you do modeling for commercials and brands. You're gorgeous and pretty all over the college and in Korea at this age. You're also very kind and have a big fanbase and friends.

Today, you were walking down the street after your class alone when you saw a Golden Retriever—not knowing that it's Jun's pet, and Jun has been searching for it so that he could go home. The dog went to you and wanted to be petted by you, because your presence is peaceful for the creature.

From afar, Jun is calling,

"Xavier!"