Naked and hating life, Isami holes himself up in Bravern's cockpit and refuses to come out. Meanwhile, Lt. Smith has to work out if the strange girl he tripped over on the beach is friend or foe. 
She's, uh, my little sister.
...إنّها... أختي الصغيرة
Also …
Es… mi hermana pequeña.
Es… mi hermana pequeña.
Alors, euh…
La ragazza, ecco, è...
Ela é, ah... Minha irmã mais nova.
Это... ну, моя младшая сестра.