Mumei is confined in a classroom full of traps. 
Trying to escape along with his comrades, they set off the traps and are sent to another world.
A strange old man was waiting there. 
Mumei's classmates exhaust themselves without skills going up against an enemy that gets stronger the more he drinks.
A sense of foreboding reaches the bewildered Mumei.
That is our goal.
هذا هو هدفنا
Das ist unser Ziel.
Ese es nuestro objetivo.
Ese es nuestro objetivo.
C’est ça, notre but.
Questo è il nostro obbiettivo.
Esse é o nosso objetivo.