Kotoko is depressed because of Naoki's gloominess for having the news exposed to the entire school that they are living in the same home. But she gets a glimmer of hope because Naoki says to Kin-chan, who came to spy on the Irie family: "Today you hate someone, but tomorrow you love them." On the last day of Summer vacation, however, the house is vacant except for Naoki and Kotoko. Now that the two of them are all by themselves ...
This is our last summer 
vacation in high school.
Es nuestro último verano en preparatoria.
Pero será nuestro último 
verano en el instituto.
Sérieux, les filles,
Mas como esse é o nosso 
último verão no colégio,