Chapter 19:
Koto takes her mother from the Shrine's Holy Grounds to the Looking Glass City.
Chapter 20:
The three siblings enjoy their time with their mother, but...
Chapter 21:
Koto tries to find out the secret of her birth from her mother, but instead she's asked to save her poor father.  With no place for her feelings to go, she takes them out on Myoue.
the boundary between man 
and god was vague...
die Grenzen zwischen Mensch
 und Gott noch dünn waren...
y el límite entre humanos 
y dioses era difuso...
y las barreras entre lo humano 
y lo divino eran difusas.
et que la frontière séparant les humains 
et les dieux était encore incertaine,
o limite entre homens e deuses era impreciso...