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...
It's quite simple to be 
on friendly terms with a teacher.
Es muy simple estar en buenos 
términos con una profesora.
Es muy simple llevarse bien con una profesora.
É bem simples ficar amigo de uma professora.