At the request of police detective Hanzawa, Mikado visits an empty storefront. Hanzawa says that kamikakushi—paranormal disappearances—are often reported of that spot. When Mikado phones Hiyakawa, who is still back at the office, from in front of the vacant store, Hiyakawa possesses Mikado's body and begins investigating the abandoned shop. He realizes that the store has been turned into a kind of savings box to store bad things and that it had been created by Erika at the request of a mysterious figure.
I think it's some kind 
of natural stone, but...
...أظنّه حجراً طبيعياً من نوعٍ ما، لكن
Das muss wohl irgendein Naturstein sein.
Creo que es una gema natural.
Creo que es una gema natural.
Je crois
que c’est une pierre naturelle.
Credo sia una pietra naturale
o qualcosa del genere.
Acho que é uma pedra natural, mas...
Кажется, это какой-то
драгоценный камень.