It's the season for student teachers at Mai High.  Keima's class gets Miss Nagase, a cheerful pro wrestling fan who has great hopes and dreams about becoming a teacher.
However, her attention is immediately drawn to a problem child who plays games during class (...Keima, of course).
The other teachers have already given up on Keima's attitude, but Jun is inspired to save him...
And once your relationship 
has settled at a friendship level,
Y cuando la relación se ha 
afianzado en el nivel de amistad,
Y cuando la relación se ha 
afianzado en el nivel de amistad,
E quando sua relação tiver 
atingido o nível de amizade,