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.
much like a frog being glared at by a snake!
!كمثل تحديق ثعبانٍ نحو ضفدع
como una serpiente
observando a una rana!
como una serpiente
observando a una rana!
É quase como um sapo sob o
 olhar intenso de uma cobra!