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.
And now, I'm officially a student here.
أصبحتُ الآن طالباً رسمياً هنا
Damit bin ich offiziell
Schüler an dieser Schule.
Después de esto,
soy un estudiante aquí.
Y con eso, ya soy estudiante oficial.
Maintenant, nous sommes
des élèves de cette école.
E ora sono finalmente
uno studente di questa scuola.
Com isso, agora sou um estudante deste lugar.