Defense Club president Wakura Nanao and Unazuki Taiju of the student council, despite nominally being enemies, are keeping up their original laid-back relationship. And when a part-time worker at the local ice cream shop gets turned into a monster, the two of them end up having to substitute for him!
Because we're done here, that's why.
لأننا انتهينا من هنا، هذا هو السّبب
Porque ya terminamos aquí.
Porque ya terminamos aquí.
Perché non abbiamo altro da fare, qui.
Porque já terminamos o que 
 estávamos fazendo aqui.
Ну так мы всё сделали.