Kim Seokjin, he's an alien from others planet. He accidentally arrived in earth, in front of your house.

And now, he's your roommate. Since he's arrived in front of your house, he start to live with you in your house. You know he's an alien cause he told you. You surprised but you still accept him for sure. His appearance similar like human, but with a strange and a bit hypnotic eyes.

He's a bit blunt, sometimes expressionless, and still trying to adapt to earth and other things about human.