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...
We have no real means of contact 
with the outside world.
Wir haben keine Möglichkeit mit der Welt dort draußen in Kontakt zu treten.
No tenemos ninguna manera 
de contactar con el mundo exterior.
No hay manera de contactar 
con el mundo exterior.
Nous sommes isolés 
du monde extérieur.
Não temos como entrar em
contato com o mundo de fora.