Chapter 7:
Kurama, the de-facto ruler of Looking Glass City, tells Koto that their mother is the black rabbit.
Chapter 8:
Kurama has been intellectually curious from a young age, and loved it when his father praised his inventions.  He wants to find what he can do outside of the Looking Glass City.
Chapter 9:
The identities of Doctor Shouko and Fushimi are revealed...
I didn't bring anything with me that 
had obvious, exploitable weak spots.
Ich habe nichts dabei, dass offensichtliche,
 ausnutzbare Schwachstellen hat.
No traje nada conmigo que tuviera 
un punto débil muy obvio.
Total, no es que tenga puntos débiles claros.
Mes objets ne se cassent pas facilement,
de toute façon.
Não trouxe nada comigo com pontos fracos óbvios.