The Kingdoms of Dolhr, Grust, and Gra band together to wage war on the rest of the continent Archanea and defeat the Kingdom of Altea. King Cornelius is slain in battle but his son Prince Marth is able to escape the invasion thanks to the sacrifice of his older sister Elice. He and a small group of retainers find refuge on the island nation of Talys, where they spend the next three years in hiding under the royal family's protection. Marth lives a peaceful life in Talys, enjoying the beauty of the island and the friendship of its pegasus-riding princess, Caeda. But he is uneasy, knowing soon the day will come that he must take up arms. That day arrives when Caeda comes to Marth and his retainers in a panic, telling him that the castle town has been attacked. After some close calls, they manage to defeat the assailants and save the city. Realizing that his presence may bring further danger to his new home, Marth decides that now is the time to set off. He journeys to raise an army with which to reclaim his kingdom.

Mikami Inaba was fighting a person from another school on her school's rooftop. As they fought, her friend Haru appeared. Seeing Mikami distracted, the man charged at her, causing both of them to break the nearby rabbit cages & fall off the roof. As Mikami fell, she desperately grabbed the rabbit. Suddenly, a flash or pink light appeared. Mikami fused with the rabbit, and gained another personality, called Mimika. Now, Mikami only appears when various people threaten her and her friends. Otherwise, she takes on the form of Mimika.

Taking place 700 years after the Dunbine TV Series, "The Tale of Neo Byston Well" revolves around Shion Zaba, the reincarnation of series protagonist Sho Zama. Together with Silkie Mau, Reml Jilfried (the reincarnation of Remile Luft), and the Aura Battler Silbine, Shion must stop a twisted Shot Weapon from launching a custom-made nuclear ICBM missile that's poised to wipe out the realm. "The Tale of Neo Byston Well" gained praise not only for its upgraded animation but also for using B-CLUB Magazine's popular AURA FANTASM series as the basis for the new Aura Battler designs.

A promotional ova that came with the PS2 game, Growlanser IV Returns which is an add-on featuring a compilation of three short stories that is told in visual novel style. Since it is a promotional ova, various main characters from Growlanser I, Growlanser II, and Growlanser III do appear in the ED. Actually, some of the fairies of these main characters do appear in Growlanser IV as that the entire Growlanser story is based on anti-war featuring time freeze, time traveling, and parallel worlds.