It's the night before the Mai High Festival.  Keima and Chihiro are alone on the roof of the school.  Chihiro seems confused by Keima's behavior, but he continues with his conquest.  But as Keima makes his move, Chihiro says something unexpected.
So how do I explain the current situation?
¿Entonces cómo explico esta situación?
¿Entonces cómo explico esta situación?
Então como eu explico a situação para ela?