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...
Where did you lose it?
Wo hast du es verloren?
¿Dónde lo perdiste?
¿Dónde lo has perdido?
Où l’as-tu perdue ?
Onde foi que você perdeu?