Jun is doing her best to meet the expectations of the students.  She's very popular with the students, but she's been possessed by a loose soul.  And so, Keima begins his conquest of Jun.  However, she's preoccupied with becoming the ideal teacher, so she only sees Keima as a student.  In order to break free of the teacher-student mold, Keima decides to approach Nikaido, who was Jun's senior in school...
There is too much risk when
you go against the chosen route.
Hay muchos riesgos cuando 
vas contra la ruta elegida.
Hay muchos riesgos cuando 
vas contra la ruta elegida.
Há muito risco envolvido quando 
você vai contra a rota escolhida.