Yamada's group gets roped into making the group of first-year problem students lead by Takigawa Noa behave in order to open a yakisoba bread stand at the cultural festival. Noa is a witch, and appears to see the past of the person she kisses and latch onto their shortcomings. Worst yet, she seems to have volume two of the notebook containing the legend of the witches!
In that case you guys 
really are dull as hell.
Dann ist euch echt
nicht mehr zu helfen.
En ese caso, son un montón de estúpidos.
En ese caso, sois una panda de estúpidos.
Alors vous êtes vraiment débiles.
In tal caso siete dannatamente noiosi.
Nesse caso, vocês são 
mesmo uns imprestáveis.
Тогда вы точно тупые.