The film revolves around the students of the Yotsusei Gakuen traveling to a southern island in search for the "Legendary Dress."The film revolves around the students of the Yotsusei Gakuen traveling to a southern island in search for the "Legendary Dress."The film revolves around the students of the Yotsusei Gakuen traveling to a southern island in search for the "Legendary Dress."