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...
However, it's very difficult to 
make any progress beyond that.
Pero es muy difícil 
progresar más allá de eso.
Pero es muy difícil 
progresar más allá de eso.
Mas é muito difícil progredir além disso.