She hasn't ascended to the throne yet. Her mother is the Countess Dubonnet. Stir was passed over at first because she's a girl, but she disguised herself and snuck into the tournament to fight for her own place as heir.

I'm not really sure. The person who won last year left without ever using it.

((It's surprisingly upbeat for that kind of song, too. And yup, case in point. Stir, Alize, Cassis, Anisette, Rose, Fino, Kirsche . . . Jing is actually supposed to be "Gin", but they spelled it "Jing" so that Japanese people would pronounce it right.))