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...
and he stays with us forever, 
never leaving nor coming,
Er ist immer um uns, weder kommend noch gehend,
y se queda con nosotros por 
siempre, sin irse ni venir nunca,
Él está siempre con nosotros, 
nunca viene ni se va.
Il est toujours parmi nous
 sans jamais partir ni venir,
e ele fica para sempre conosco, sem ir nem vir,