Artemis pearl pirate princess and phantom of treasure / アルテミスパール～海賊姫ルビナと幻の秘宝

Knights and gentlemen. Legendary thief waged a fierce struggle.
He was defeated in the battle, from the despised "Evil Great Pirate" after his body sank to the bottom of the dark sea.
Then ten years passed.
Looking at the small sailing boat, there was a girl who excited me, which I had never seen before.
Her name is Rubin. To restore the honor of his deceased father, who was defeated by the knights,
She embarks on a journey to find an illusory treasure.