Igai: The Play Dead/Alive

Students at a school begin transforming into aggressive zombies, attacking and eating each other. The chaos continues until the attacks abruptly cease, leaving the zombies seemingly returned to normal. The school is now split between those who were infected and those who remained unharmed. Uncertainty lingers over how long the calm will last and what triggered the outbreak. With the possibility of any classmate turning violent, even familiar faces become potential threats.