One hot summer day, the 4 girls and Haruko are playing in the pool. They notice that Pets is missing. Kana later hears from her classmate Aida that Pet's family is very rich and they are moving to Mars. 
How do you not know?
You knew her since grade school.
Warum weißt du nichts über Kana.
Ihr kennt euch doch seit der Grundschule.
Me extraña que no lo supieras.
Me extraña que no lo supieras.
Mais t’es pas au courant ?
Tu la connais depuis le primaire !
Come facevi a non saperlo?!
Como você não sabia? Vocês se
conhecem desde o fundamental.
Как ты могла об этом не знать?
Вы же знакомы с начальной школы.