The commander of the Dvaraka, a ship like the Oceanus. Chris and Arque were originally under her command until they chose to transfer to the Oceanus. She also appears to have known Shizuno before she transferred to the Oceanus because Isola comments that her comrades on board the Dvaraka wish to see Shizuno again. After Shima, she appears to hold the most authoritative power within Celebram and is respected amongst her colleagues. Isola means "island" in Italian.   (Source: Wikipedia)

Kyo, an avid swimmer tries his best to keep the high school swimming club going, which is pretty hard when he's the only member. Facing the prospect of the club being closed by the student council, he tries to enlist beautiful Misaki to act in a promo video, shot by his good friend Ryoko, in a bid to start a recruitment drive. She agrees but only if he pilots a mecha under the wing of Celebrum, a resistance organisation fighting to destroy Deutera Areas formed on Earth by the aliens Gards-orm. He agrees but finds it all strangely familiar as if he's done it before...
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(Source: Anime News Network)

The prequel movie to the Zegapain TV series explores the events during the initial server resets experienced by Kyo. These events ultimately lead to the moon mission.