[She waits impatiently (as impatiently as Chizuru can really manage, which mostly consists of some excited wriggling as she shifts her weight from one foot to another in an attempt to keep herself quiet while Shinpachi sends Sano away. It's not really a lie - at least, she hopes it's not, Shinpachi certainly could use a nap and if she has her way he'll be getting one soon enough. She'll share her idea, make him some tea, and then send him to bed.

But she's too excited by the possibility of being able to help to chide him for the little white lie, so basically as soon as he's finished speaking she bursts out,]

We're in Edo.

[...which doesn't really explain much, and her cheeks color a little when she realizes.] I mean, that is... my father's clinic is here, too. He may have left some of his notes there... In fact, he probably did. If Hijikata-san lets me go, I might be able to find something to help you, Nagakura-san!

[He might not have to drink blood, if he didn't want to. He might not have to drink blood. Maybe he could even be cured entirely.]

I never thought about it before, because we were in Kyoto, not Edo, and I never would have known what to tell someone to look for if they were to come here... and of course I couldn't go alone before. But now...!