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?
It is the greatest and strongest 
secret of the Shokatsu Technique!
إنّه أكبر وأقوى أسرار تقنية الشوكاتسو
¡Es el mayor y más poderoso
secreto de la Técnica Shokatsu!
¡Es el mayor y más poderoso
secreto de la Técnica Shokatsu!
C’est la dernière et la plus puissante
des techniques des Shokatsu !
Questa è l'abilità più segreta 
e più forte della Tecnica Shokatsu!
Essa é a maior e mais poderosa
 técnica secreta Shokatsu!