It's summer. The gang's on a southern island, and there's cute girls in swimsuits abound. Arata's cooking yakisoba for some reason, but these things happen. The quartermaster is repairing the school that Arata destroyed in his collapse phenomenon. The girls enjoy a mixed-gender bath, and the demon lord candidate decides on a theme--control.
It was my husband's new technique
Es war die neue Technik meines Mannes,
Se trata de la técnica secreta 
que mi esposo utilizó
La técnica secreta que mi esposo utilizó
C’est la technique
qui a permis à mon mari
È la nuova tecnica di mio marito...
Foi a nova técnica do meu marido