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...
Don't try and play dumb!
Stellt euch nicht dumm!
¡No te hagas la tonta!
¡No te hagas la tonta!
Ne joue pas l’innocente !
Não se façam de bestas!