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...
The three of us should 
always decide how to deal
Wir drei sollten immer gemeinsam entscheiden,
Entre los tres siempre decidiremos 
cómo nos encargaremos
Decidiremos entre los 
tres cómo encargarnos
Nous déciderons toujours ensemble 
comment résoudre les difficultés.
Nós três sempre devemos decidir juntos como lidar