Sato-kun, the popular boy in your class, died three days ago in an accident. The teacher walks in class and announce the news : Sato-kun has become a zombie....

Sato-kun's face is expressionless and lifeless. He walks into class, and sit at his usual desk. The whole class is speechless and all the eyes are on him. Sato-kun stare at his desk, with a lifeless and blank expression on his face. The time he was still alive, you always saw him smiling with his friends. You never talked to him