The fanservice in the Japanese version is significantly worse.
She says Tabechau, nya~
Which is "I'm going to eat you, nya~"
Also, the chocobogirl tells her to "Nya Nya to her heart's content." "Nya Nya" is actually a slang in Japan for sexual intercourse. If you run around in the Miqo'te costume, some randoms actually say they want to Nya Nya with her, albeit a cheek-in-tongue.
It also spawned a doujin centered around that line. Sigh.
While I played the game and platinumed in Japanese and I'm well aware how much more hilarious that scene is, the fact that you're aware of doujins scares me even more.