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.
Yes, if we become special-level graduates,
صحيح، إن أصبحنا خرّيجي مستوى خاص
Genau, denn als Sonderstufe-Studenten
Sí. Si nos graduamos así,
Sí. Si nos graduamos así,
Oui, une fois ce statut atteint,
Esatto. Se diventeremo dei super-laureati
Isso mesmo, se formos de 
classe especial acadêmica,