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're all my memories 
of my mother.
Das sind alles Erinnerungen an meine Mutter.
Son todos los recuerdos de mi madre.
Todo son recuerdos de mi madre.
Ce sont tous
des souvenirs de maman.
Tudo são memórias da minha mãe.