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.
Ten years ago, we found a swarm 
of loose souls underneath.
Hace diez años, encontramos un 
enjambre de almas perdidas abajo.
Hace diez años encontramos un enjambre 
de almas perdidas allí abajo.
Há dez anos, nós achamos um ninho
 de almas caídas aí embaixo.