The peaceful city of Ayase is suddenly attacked by a monster, Grigio Bone.

While younger brother Isami is ecstatic about his new powers, elder brother Katsumi on the other hand is in fear of this great power.

The three siblings visit President Makoto Aizen of Aizentech in Ayase city and experience advanced technology.

Série jeunesse japonaise avec Yuya Hirata, Ryosuke Koike, Arisa Sonohara. Saison 1. (4/25).

Yuha Ninomiya continues to fail and injur herself with her wings invented in college; Nagisa Isami gets involved with his classmate's reckless challenge and both aim high for the sky, until storm-producing monster Guebasser appears.

Isami et Katsumi se battent contre un nouveau monstre géant lorsque celui-ci disparaît mystérieusement. Rentrés au magasin, ils découvrent Asahi et leur père en pleine divination avec une étrange diseuse de bonne aventure...