Idea Factory

Unaired episode 13 of Choujigen Game Neptune: The Animation, included in the 7th BD/DVD volume.

In the distant future, a mysterious floating object appears suddenly in the center of Tokyo. The top secret mission unit Alta Mira Agency or AA is comissioned by the Defense Agency to deal with this mysterious invader. In charge of the robot training is Funagai Otsuya. He trains five special girls to use the Battle Soles to push back the enemy even at the cost of their lives.

Ellile is a knight-in-training in the Kingdom of Fredbarn in the Neverland World. He and Princess Roji are secretly in love, and plan to marry. Lifile, the head of the knights, finds out, and tells Ellile that he's not strong enough to protect Roji, let alone the Kingdom. Ellile becomes frustrated, and contemplates what to do.

In the world of Neverland, humans and monsters live alongside each other. Generation of Chaos details the start of the adventures of the two heroes of Neverland, Chiffon and Roze.

A dangerous shadow organization launches a campaign of fear and violence in the city of Shinjuku, pushing society to the brink of chaos. As a young police officer tasked with restoring order, you become the target of an attack, and have a poisonous collar attached to your neck. With the situation spiraling out of control and time running out, five mysterious strangers appear to aid you in your quest for the truth. Who can you trust? Will you be able to save yourself and the soul of Shinjuku from the clutches of oblivion?

The story is set in the paradise Neverland, and depicts a fierce battle between humans and demons called the Neverland War.