Special Training
Riko explains the plan of how they will infiltrate the mansion and claims that they will go in undercover as a butler and maid. With the agreement done, they undergo one more ‘training session’ where as Riko helps train Aria to say some lines and get time stuck in her head, and aims to practice triggering Kinji’s Hysteria Mode. At the same time, Kinji learns a bit about Riko’s past thanks to Jeanne who is now a student at the school.
Aired 17/06/2011EP 10 - Special Training

Aria the Scarlet Ammo
Aria is a volatile girl who’s top dog in assault at a school for young mercenaries. When she discovers her classmate Kinji’s an ace, she strong-arms him into being her partner, but she isn’t the only femme fatale who wants a taste of his combat skills. His secret? He’s only a hotshot when he’s turned on! Aria gets Kinji for one mission, but he’ll end up with more than one finger on his trigger!
(Source: Crunchyroll)