Heir to his family's conglomerate, Juoin Kakeru spends his days as both a high school student and the managing director of Juoin Holdings. However, he is accused of betraying the company by handing over the PRISM System they spent huge amounts of money developing. Lurking in the shadows is Executive Director Sanada, who is working with Schwarz Rose to force Kakeru out of the company...
Kazuo is the grandson of Mantaro, 
restorer of the Juoin Conglomerate.
كازو هو حفيد مانتارو، مُرمّم
شركات جيوين
ist Kazuo der Enkel von Mantaro,
dem Retter des Juoin-Konzerns.
Kazuo es nieto de Mantaro,
quien restauró el Conglomerado Juoin.
Kazuo es nieto de Mantaro,
quien restauró el Conglomerado Juoin.
Kazuo est le petit-fils de Mantarô,
fondateur du groupe Jûôin.
è il nipote di Mantaro, 
colui che ha rimesso in piedi il gruppo Juoin.
Kazuo é o neto de Mantaro,
restaurador do Conglomerado Juoin.
Его дедушкой был возродитель
компании «Дзюоин», Мантаро.