Sekine invites Chiyo to a sleepover at her house, and the other two invite themselves as well. They deepen their bond while Rikka learns more about the quirky cultural activities that take place on Earth.
Then some day, I might get 
to have a sleepover.
wollte ich …
Entonces, algún día, podría asistir
a una fiesta de pijamas.
Entonces, algún día, podría asistir
a una fiesta de pijamas.
Pour un jour…
Magari un giorno avrei potuto
 partecipare a un pigiama party, pensavo.
Então, um dia, quero fazer
uma festa do pijama.
И тогда… Возможно, я бы могла
остаться в гостях с ночевой!