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!
When a cute transfer student 
comes to the class,
Erst kommt ’ne zuckersüße
Schulwechslerin in unsere Klasse,
Cuando una estudiante linda
se transfiere a la clase,
Cuando una estudiante guapa
se transfiere a la clase,
Une nouvelle élève mignonne
arrive en classe,
Una carinissima studentessa
entrò nella sua nuova classe per la prima volta.
Uma colega de classe fofa entrou na sala,
 e, de repente a carteira estava vaga...