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...
She says she'll help us, as well.
Sie sagte, dass auch sie uns helfen wird.
También dijo que nos ayudará.
Y encima, ella me dijo que nos ayudaría.
Même Koto a dit 
qu’elle nous aiderait.
E ela disse que vai nos ajudar também.