Chapter 10:
The Station Opening, the day when everyone in the city gets rid of what they don't need, begins, and a cup that is very important to Yase is thrown away.
Chapter 11:
Yase has lived her whole life surrounded by things that remind her of her mother, and Koto tries to get her cup back, but...
Chapter 12:
Koto tries to fix things between Kurama and Yase, and feels a connection to her mother between them.
I was sure we'd found it. 
I could feel it.
Ich dachte, wir würden
 sie finden. Ich hatte es im Urin.
Estaba segura de que la 
encontraríamos. Podía sentirla.
Estaba segura de que la 
encontraríamos. Podía sentirla y todo.
J’avais l’impression
qu’on allait la trouver, pourtant…
E eu estava sentindo que íamos encontrar...