[Luckily for Levi, Hijikata is already so deeply immersed his new identity that he doesn't remember him - after all, there was no one besides his poor little family in his fairy tale, and in the end, it was only him and his sister. He shakes his head at the catboy's catman's demand.]

Sorry, no can do. This place is a labyrinth; we'll never find out without a trail. And my sister is no damsel... but I can't deny that I'm a little worried.

...

Then again, maybe she grew up too.

[He was just a little boy before he found himself dumped in this strange library! Being an adult certainly helps matters.]