It's too soon to celebrate summer vacation for Mumei and his classmates. Something seems off about Miss Ou. With the moon creeping ever closer, Mumei learns that even his Shokatsu Technique isn't invincible.  With the Earth and Haku's life on the line, one final test will put Mumei and the others through the ringer. Is there really anything the Shokatsu Technique can't solve?
I was appointed as a teacher at 
this school in order to determine
تمّ تعييني أستاذةً في هذه المدرسة
Ich habe mich hier an eurer Schule als
Lehrerin platziert, um in Erfahrung zu bringen,
Me nombraron profesora
en esta escuela para determinar
Me nombraron profesora
en esta escuela para determinar
Je voulais vérifier
si vous méritiez d’être à nos côtés.
Il mio ruolo come insegnante 
era quello di determinare se voi
Vou julgar se vocês amadureceram
 a ponto de se igualarem a nós.