The elderly lady Sayuri met turned out to be Gilbert's grandmother. She invites Sayuri and Gilbert to dinner, and although she's worried about Ryou, Sayuri can't refuse. The dinner conversation reveals that Gilbert's grandmother and the Fleurir headmaster are old friends. Meanwhile, Ryou continues to wait for Sayuri's visit...
That's all there is to it.
هذا كلّ ما في الأمر
Das ist alles.
Eso es todo lo que hay.
Es lo que hay.
C’est tout.
Simples assim.