スィー

Raised as the daughter of a florist, on her 18th birthday a coup d'etat occurs and she is told by her surrogate mother, NENE, that she is the last member of the royal family.

But because of the coup d'etat, she is unable to ascend to the thrown and NENE is killed by the conspirators behind the political takeover.

Bequeathed the "Key of Will" with which she has been entrusted, she sets off on a journey with LALIELA to see that it is delivered to the Sage U.