Air date: January 7, 2006

At the experiment farm of Les Cinq Fleches Pharmaceutical, Saya is surrounded by child Chiroptera. But confronted with a mysterious humming coming from nowhere, the howling of the Chiroptera and a choking smell of blood, the girl goes berserk, and swings the sword at anything that comes into her view without even distinguishing between friend and enemy...

Script: Shotaro Suga
Storyboard: Koh Yuh
Director: Yasunori Urata
Animation Director: Toyoaki Fukushima