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.
They don't care about 
anybody but themselves.
Sie kümmern sich um niemanden als sich selbst.
No les importa nadie más que ellos mismos.
Solo se preocupan por ellos mismos.
Elle se fiche
du sort des autres.
Eles só se importam consigo mesmos.