The story is set in the future where humanity and the Z/X have entered a treaty and headed towards a moment of peace. Azumi Kagamihara—a girl affiliated with the Blue World—is chosen together with her Partner Z/X Rigel to enroll in Fujimisaki Academy, a school established to gather girls that are partnered with Z/X from all over Japan.

• Yui Ogura
• Aya Uchida
• Inori Minase
• Maria Naganawa
• Aina Suzuki
• Miyu Tomita
• Momoko Soyama
• Yusuke Shirai