So this chapter officially marks the part where "prototype" ended and "prequel" began, huh? Pretty cool!
Though, I found this chapter pretty annoying, mainly because it was the third idol-focused chapter in a row. ^^;;; I know these chapters were published months apart, and probably weren't as jarring in a magazine format, but still.
Also, Amano gets creepier in every chapter. In the last chapter I kind of wondered if he liked Petite Pandora over Pandora due to her young age... And then in this chapter he mentioned reading lolicon doujinshi. Gross. I'm glad Umino was never this creepy, haha.