Princess Avere Blackyard is the main antagonist of both the movie and the series of the Battle Day/Exchange Student Zero Saga.


She is the anime vixen daughter of King and Queen of the Blackyard Realm, with very bad intentions. As a warrior possessed with incredible power and a very short fuse she is a force to be reckoned with.


  • She was also supposedly to marry Hiro, but seeing as Hiro ditched her at the altar, she has not married him yet.


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