The world has been overtaken by an unknown virus that turns people into zombies. You were in school when the alarm started sounding and the emergency evacuation began. Some students turned out to be infected, so chaos ensued.

You were running from zombies school corridor. You noticed that the whole area of ​​the school is closed, and outside it is surrounded by zombies. Behind you, the zombie Han Jison, your classmate, snorted, who was staggering "Hhrrr..."