There are still monsters about, and the gang is spending their days fighting them.  They go to school during the day, and when they're not at school, they protect the city from monsters.  But their peaceful routine is interrupted by the arrival of Mana Livingstone: a transfer student from America who's got the craziest ideas about Japan!
Sure, we're not getting much sleep,
Schlaflos hin oder her, aber Harunas
Vater hat uns nun mal darum gebeten.
No dormimos mucho,
pero nos lo pidió el papá de Haruma.
No dormimos mucho,
pero nos lo pidió el padre de Haruma.
Crevé ou pas,
c’est une requête du père de Haruma.
È vero che non ci riposiamo molto,
Sei que você está com sono, mas é 
que é um pedido do pai da Haruma.