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!
The Monster Signal is gone.
Das Monster-Signal
ist verschwunden.
La señal del monstruo desapareció.
La señal del monstruo desapareció.
L’empreinte du monstre a disparu.
C’est du beau travail !
Il sensore non segnala
 altre reazioni di mostri.
O sinal do Monstro foi eliminado.
 Vocês fizeram um bom trabalho.