It's the beginning of the new semester at Hakuou Academy. Hayate is eager to start the new school year, however Nagi has fallen ill and will not be going.
Really? But the path of a 
teacher is fraught with peril.
¿Sí? Pero el camino de una 
profesora está lleno de peligros.
Sério? Porém, o caminho de um 
professor é cheio de perigos.