Zero Mishima is a mysterious 19-year-old transfer student who incites dropout high school students to "destroy this world with me." Although he is a mysterious person, he is adept at controlling people's hearts, and has the charisma to slip into the gaps in people's hearts and manipulate them with his skillful words. Instigated and guided by Zero, high school students eventually form a video group called Mars, and attempt to destroy the society created by adults then rebuild it...
Kazuo Mido is a pastor at a small church. He lost his wife 8 years ago and raises his only daughter, a junior high school student, singlehandedly. When she is diagnosed with an illness, he undergoes a drastic change.
A new type of virus makes 'GIMP', the dead that eats human flesh which roams the land. In a school surrounded by fences against Gimps, seven girls; Nonoka, Moe, Emiri, Nagi, Akari, Karin, and Miyu lead school lives. They are only taught how to fight against Gimps, not knowing the world outside of the school. A zombie bites one of the girls in class one day which leads suspicions to grow between the seven girls