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.
You've only been enrolled.
تمّ التحاقك بالمدرسة فقط
On a juste réussi
à intégrer l’école.
Ti sei solo assicurato l'ammissione.