[ Sheena's smile is shy in return. ]

There aren't too many people who know that. As for why the tradition? I'm not sure, but I can guess. Ninja are secretive and remain hidden--even when out in public. Normally, we'd try to blend in when on a mission, but for those times when we don't--we still have that one secret that no one knows.

Our name.

[ She chuckles. ]

Sounds kind of arrogant, doesn't it?