Disarmament! Put On That Maid's Outfit!
In the Legend flashback, Sae and the man who rescue her (now wearing an eye patch), have become bodyguards to a woman as they try to escape from two cars pursuing them. In the present, Sharnid takes Layfon to a maid café, much to the latter surprise when he finds out Felli works there. Felli reveals to Layfon she works there to choose her own path. While dinning at a bakery, Felli overhears Mifi, Naruki and Mei-Shen talking about investigating an abandoned research center which is supposedly haunted which she decides to accompany them. As they go deeper into the building, Mifi and her friends are suddenly captured by a creature and Felli is rescue by Vance, her brother’s assistant. Vance reveals the center was trying to create artificial creatures years ago as a counter to Filth Monsters but repeated failure led to the centers closure and the creature that capture Mifi and the rest maybe one of them. As Vance and Felli try to find the girls, they encounter the creature which they manage to kill it when Felli tricks it to be crush by falling ceiling debris cause by her powers with Vance giving it the finishing blow. Vance decide to cover up the incident by telling Mifi and her friends they were knock out by leaking chemicals. Layfon accompanies Felli where he finally sees her smile but gets kicked by her for seeing it.
Aired 01/02/2009EP 4 - Disarmament! Put On That Maid's Outfit!

Chrome Shelled Regios
In a post-apocalyptic world overrun with mutated beasts called Limbeekoon or Filth Monsters, humanity is forced to live in large mobile cities called Regios and learn to use special weapons called Dite, by harnessing the power of Kei to defend themselves. In the Academy City of Zuellni, Layfon Alseif is hoping to start a new life and forget his past. However, his past has caught the attention of Karian Loss, the manipulative Student Council President and Nina Antalk, a Military Arts student and Captain of the 17th Military Arts Platoon, who instantly recognizes his abilities and decides he’s the perfect candidate to join her group. However, with a secret past that won’t leave him alone and unknown powers beyond normal, Layfon just might not take it.