One day, in a certain class of a technical school, an incident caused by the absence of class, the whole class was kidnapped by the teacher to a different world. But seven lucky ones escaped, and then they struggled with the teacher to save the class and return to the real world.

One day, in a certain class of a technical school, an incident caused by the absence of class, the whole class was kidnapped by the teacher to a different world. But seven lucky ones escaped, and then they struggled with the teacher to save the class and return to the real world.