Seiichi spends time training F-class for the upcoming class competition, but when the day finally arrives, Seiichi is nowhere to be found, leaving F-class to defend the academy from the apostles of the Great Devil Order!
If we want to save the academy, 
 we have to work together!
Denken wir daran, die Akademie zu retten,
und halten wir zusammen!
Si queremos salvar la academia,
¡tenemos que unir fuerzas!
Si queremos salvar la academia,
¡tenemos que unir fuerzas!
Combattons ensemble !
Dis-toi que c’est pour sauver l’académie !
Se vogliamo salvare l'accademia,
dobbiamo collaborare!
Se quisermos salvar a academia,
temos que trabalhar juntos!
Чтобы спасти нашу академию, 
нужно работать сообща.