Seijirou is fascinated by the stars and enjoys stargazing. One day he was by the riverbed with the village nanny Fuki when she notices a string coming down the sky and as she tries to pull all of a sudden she disappears, right before Seijirou's eye. Ginko is travelling through the mountains and is being followed by a peculiar girl. It turns out that it's Fuki, who has been exposed to a strong Mushi presence and can't be seen by anyone.
Ginko retrouve une fille qui a été happée par le ciel lorsqu'elle a voulu attraper une étoile. Lorsqu'elle revient, elle devient chaque fois plus légère, et n'arrive plus à rester sur terre.
山越えの途中ギンコは、樹の頂上に座り込む、記憶を失った娘を拾う。娘はギンコの協力で村へと帰るが、怪異に出会った事で蟲の領域へと引きずられていた。戸惑う娘の恋人に対し、娘を人に戻すためギンコが示す方法とは……。
산을 넘던 깅코는 나무 정상에 주저앉아 기억을 잃은 여자를 줍는다. 그 여인은 깅코의 도움으로 마을로 돌아가지만 괴이하게 만난 벌레의 영역으로 끌려갔다. 방황하는 여자의 연인에 대해, 여인을 남에게 돌려주기 위해 깅코가 제시하는 방법이란....…
小保姆阿吹握住一根天上垂下的丝线，就此消失在空中。救下阿吹的银古发现，她遇到的是一种名为“天边草”的虫。险遭吞食的阿吹因此游移在人虫之间，唯一能留住她的只有爱人清志郎的信念。然而，清志郎却迷失在世俗的杂念中……浩淼的星空下，追寻着“迷途之星”的男子流下的眼泪，要如何唤回那看不见的爱人？
