In the grand finale of the 'Icz' series, 'Iczelion' takes a bold new direction from its predecessors. Across the cosmos, two malevolent forces, Cross and Chaos, leave chaos and devastation in their wake, setting their sights on Earth for their next conquest. Earth's last hope lies in the Iczelions, a unique fusion of young girls and sentient Iczel body armor. Nagisa, an ordinary high school student, finds herself unwillingly thrust into the role of the next Iczelion, tasked with defending her planet and preserving humanity. But Nagisa's determination may just rewrite this destiny.