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 ...
Even if you hate someone today, 
you might love them tomorrow.
Incluso si odias a alguien hoy,
puedes amarlo mañana.
Aunque odies a alguien hoy, 
puedes quererlo mañana.
On peut détester une personne un jour
et l’aimer un autre jour.
Mesmo que você odeie uma pessoa hoje,