The film tells the story of a "new mission" from the Monster Hall. Faced with a series of mysteries, Xiaohei and his senior sister Luye embark on a new adventure to find the truth.

In bustling human world, various of goblins live peacefully with mankind. Luo Xiao-Hei, the cat demon, begins his journey of wandering because his forest home is destroyed. With sympathetic...

Atop the ruins of war, top commander JIANG ZIYA is given the task to banish the Nine-tailed Fox Demon who threatens all mortals' very existence. When he discovers the Nine-tailed Fox's life...

At the end of the 21st century, the discovery of a new energy source called "DG energy" (short for "divine grace energy") has revolutionized Earth's economy and allowed humanity to colonize space. However, when the initial expedition reaches Pluto, they are attacked by a mysterious, giant life-form known as "Nergal."The Earth Alliance Army fights back by creating an "AG Unit" using ancient robot weapons known as the "G's Frame" which were excavated from archaeological sites all around the world. Girls with special qualities known as "Ancient Girls" can pilot these robots against the Nergal. However, the first AG Unit suffers heavy casualties in the Jupiter Trojan campaign, and the pilot of Unit 04, Minamiya Reiu, goes missing-in-action...Years later, Minamiya Reika, the younger sister of Reiu, enlists with the AG Unit to search for her sister and to protect the Earth from the Nergal. A story of friendship, ancient robot weapons, and battles to the death with the Nergal ensues.