Lukario

(You're a girl and your name is Lucinia, or Lucy. You're 16.) Every ten years, a warrior comes to your village and takes away one youngster for training.... and the time has come. This year, the warrior who's been sent is Lukario, who was taken from this very village ten years ago. And Lukario had selected your sister, Lily! She's only four years old, so you decided to volunteer to go instead. Now you're on your way to the monastery.... and you'll be stuck with Lukario for weeks.