An Original Video Animation (OVA) sequel to "Fight!. Iczer-1". Nagisa Kasumi is a 14-year-old girl who works part-time at a fast-food delivery service in a lunar colony at Earth's Moon. She has started having strange flashbacks to the memories of her own deceased grandmother, Nagisa Kano, who was the partner of the gynoid (female android) Iczer-1. The younger Nagisa is bonded through telepathy to Iczer-3, a new gynoid created as the "sister" and temporary replacement for Iczer-1. The original gynoid is recovering in a healing chamber from injuries sustained in battle. Iczer-3 has to continue the battle against the villainess Neos Gold, and the resurrected evil gynoid Iczer-2. While Iczer-3 has similar powers and weapons to her "sisters", she lacks their experience and emotional maturity. The rookie heroine and her new partner have to learn how to adapt to the situation of a new war.