Yuzo Ooki is unexpectedly fired. Managing to find a new job, Yuzo navigates the maze of crazy coworkers. Yuzo is undaunted, but he is bullied by his new workmates and dumped by his girlfriend. Suddenly, an alien encounter changes everything as it feeds off the co-workers and melds with their madness creating an explosion of energy that plunges the town into chaos. Only Yuzo can save them from this crisis.

Nine men and women awake totally disoriented in a locked room without knowing how they got there. But that is just the beginning, because suddenly there stands someone in a cheap samurai costume and introduces himself as "The Game Master," who tells them that they have been chosen as candidates for the "Death-Sushi-Games" - a bloody battle begins!

ATTACK OF THE GIANT TEACHER is a classic style tokusatsu film that tells the story of Kenzo Miyazawa, an earnest teacher who works at a night school. His class is filled with unique and slightly odd students. Suddenly, the night school witnesses a drop in student numbers and has no choice but to shut down by the end of the year. Mr. Miyazawa’s class decides to create a musical for the school’s last festival. Then, an alien beast invades Earth and begins destroying the town. Mr. Miyazawa challenges the alien beast to a fight.