Soon after Hikaru, Umi, and Fuu return to Tokyo, the three of them meet at Tokyo Tower to talk. Hikaru says that she wishes they could return to Cephiro and do something good for the land that Princess Emeraude protected so dearly. Umi and Fuu agree. Suddenly, a light appears in the sky and they are transported to Cephiro. Clef explains to them that with no Pillar to keep Cephiro peaceful, it has fallen into chaos. Monsters are multiplying and the land is becoming desolate. All the remaining inhabitants of Cephiro have moved into a magical castle. Clef also tells the girls some alarming news; three other countries, Chizeta, Fahren, and Autozam are trying to invade Cephiro and take over the Pillar system for their own purposes. The girls must stop the invaders as well as the mysterious and evil Lady Debonair, who believes she is the rightful Pillar, all the while desperately hoping and searching for a new Pillar to make Cephiro into the beautiful land it once was. (Source: ANN)

Their mission is to locate and retrieve the mysterious Lost Technology, even though these girls have never been known to stick to their mission. Milfeulle, Forte, Ranpha, Mint, and Vanilla are back for another round of hilarity. The Galaxy Angels have sworn to protect the galaxy one planet at a time. Now with some competition with the newly-formed Twin Star Brigade, they continue to find themselves in the center of chaos... though usually they're the ones at fault for its cause. (Source: ANN)

The Angel Brigade, an elite branch of the Transbaal Empire military, are assigned to search for The Lost Technology, mysterious items from the past that hold unknown powers. Led by the soon to retire Colonel Volcott O' Huey, the Angel Brigade travel to different planets using their specially designed Emblem Frame ships to search for Lost Technology. Unfortunately, they usually mess up somehow and end up getting into all kinds of weird and troublesome situations. (Source: ANN)

In the far future, the human race advanced to space, and prospered. However, Jikushin ( earthquake of time and space ) which occurred suddenly intercepted all networks, and all the civilizations were reset. However, the human race begins to revive, and enters the prosperity age of The Second by the Transvaal imperial country which rises at the center of the galactic system. The science and technology before the civilization was reset, that is, "Lost Technology" was considered to be god`s task. And, it came to be worshiped by the priest who was called "Tsuki no miko". On the other hand, a certain guard fleet was stationed in the frontier of the galactic system. Though it was the seemingly perfectly ordinary army, the team composed only of the woman called "Angel Corps" existed in this army. They controlled the spaceship which was called "Angel Frame" which was the relic of Lost Technology. And, they collected the lost technology by using the angel frame, and carried out the duties to manage them. They were not the elite pilots, but Angel Corps was rather an eccentric person`s group. Arms mania`s Forte, costume player`s Mint, taciturn Vanilla, showy Ranpha and Milfeulle who likes cooking ... Every time, they cause a big trouble in the mission. (Source: AniDB)