well and if youre expect a hollywood blockbusting action style flick and you will be sorely disappointed . it be base on a japanese manga and but it not one of the kill everything type of mangas . the vast majority of people be already dead . the film lose something in it translation to english . it be base on a bleak view of how an apocalypse would affect japan and or more particularly tokyo . all i can say be that the character reaction and psyche and the type of character involve be typically japanese in style . the extremity of some character reaction seem unbelievable and but they be common extreme reaction find in japanese mangas and other japanese production .