I mean, this IS about how they all met, so you know Sakuya had to show up pretty soon, and they wouldn't be talking this much about Jack the Ripper without there being SOME major tie-in to the cast, and it wasn't likely to be "China Girl" Meiling. "Jack the Ripper" is in Sakuya's spell cards, and she's often portrayed as being a former demon hunter. Plus, the ONE faceless girl has white hair cut in just the same way as Sakuya's, but for lacking braids.
If we take everything into consideration, A child. The identity of Jack the Ripper is...What is that kid... Patchouli-sama! ... No, I shouldn't be thinking of things like thi-The identity of Jack the Ripper is....holding in her hand...?What... is that?It's useless...
These damn vampires can't do anything right...!and regardless of the police's efforts, they can't catch herindiscriminate when it comes to killingindiscriminate when it comes to killingOnly I can do somethingand regardless of all of the police's efforts, they can't catch himit can walk past wary guards unwatchedit can walk past wary guards unwatched