Chapter 4:
In the past, Koto lived with Inari, who worked for the Chief Priest of the shrine and was also her teacher.
Chapter 5:
She realized that Inari may be her real dad, and that the black rabbit in the picture may really be her mother, but kept it a secret.
Chapter 6:
In the present Looking Glass City, the Council of Three thinks that Koto's red eyes may be a sign of their mother's return.
Chapter 4: 

The Past (4)/
Teacher and Student 
at the Shrine A
Kapitel 4: 

Die Vergangenheit (4)/
Lehrer und Schüler 
am Schrein A
Capítulo 4: 

El pasado (4) /
El maestro y la estudiante 
en el Templo / A
Capítulo 4: 

El pasado (4) /
El maestro y la discípula 
del Templo / A
Chapitre quatre

Passé (4) /
Maître et disciple A
Capítulo 4:  O passado (4)/
Professor e estudante no Templo A