When the world is struck by a deadly pandemic that turns humans into zombies, Takashi Komuro and several of his classmates at Fujimi High School try to survive the apocalypse.
Occasional sexual references in the dialogue; however, a more prominent feature is the camera constantly going up a girl's skirt or zooming in on her cleavage. There is also brief explicit nudity.
A main cast member is obese. A girl refers to him as "chubby" and tells him to "lay off the Walmart Cheetos" (English dub, though I imagine the sub has the same idea)