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.
Hmm? Whose birthday is it, anyway?
Moment mal … Hat heute
einer von uns Geburtstag?
¿De quién es el cumpleaños ahora?
¿De quién es el cumpleaños ahora?
Une minute,
qui est née aujourd’hui ?
Eh? Ma di chi è il compleanno?
Hum? Hoje era aniversário de alguém?
Хм-м? А чей сейчас день рождения?