The earth is being overrun by Alien invaders and, while on a mission to stop the invaders, an assigned Attendant is injured. He seeks the help of a human named Sadamitsu. Sadamitsu makes it his mission to rid the world of the invaders, to prevent the coming of the ultimate enforcer, the Vulture. The problem is the Vulture is already here, and buried in Sadamitsu's past is the reason the Vulture hasn't already destroyed the Earth.

Three teenagers witness the brutal murder of a high school girl by an insane salaryman. The teenagers find themselves united by this event and become friends. Later the teenagers hold a party to take their mind off things. Their party is crashed by a local gang of thugs and one teenager finds his newly found girlfriend being raped. The teenagers deal with the thugs by using extreme violence.

Based on the comic by Mako Takami.

Adventures of a young high school teacher and his oddball students.