Luna... what a mystery! Same hair (and color), same class, same frown, even the same voice actor! I hope Nintendo has SOMETHING to say about this, because clearly, it's not a coincidence!
You could always not come to Serenes until we receive our translated copies! ...But that's difficult and both you and I don't want that to happen. Hmm... I know it'll be tempting to visit the spoiler topics, but there aren't many folks here with a Japanese 3DS! It should be easier than we think!