Lieder ohne Worte of an Elder Sister and a Younger Sister
With Shiori's birthday coming, Yuichi decides that he will try to do as much as he can for her, while she still has time. A week before her birthday, Shiori gets permission from her doctor to attend school for the remaining week, just like a regular student. Meanwhile, Kaori still insists on avoiding her, and warns Yuichi that Shiori might not survive long after her birthday passes.
Aired 26/01/2007EP 17 - Lieder ohne Worte of an Elder Sister and a Younger Sister

Kanon (2006)
As a young child, Aizawa Yuuichi had often visited his cousin in the city. However, something drastic happened to keep him away for seven long years. Now, Yuuichi returns, his memories of those days are simply gone.
Settling into the wintry town, Yuuichi comes across several young girls, all of whom are connected to his past. As he befriends them and continues to interact with them, the long forgotten memories from his childhood begin to resurface...