“Lieder ohne Worte of an Elder Sister and a Younger Sister” “Ane to Imōto no Mugonka Lieder ohne worte” (姉と妹の無言歌 〜Lieder ohne worte〜)

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.