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.
Rikka, are you all right?!
Alles klar bei dir, Rikka?
Rikka, va tutto bene?!
Rikka, você tá bem?!
Рикка, с тобой всё хорошо?!