Tale of a Raindrop

This is a story of a young woman and her coming of age in Japan. In the winter before her college graduation, Michiru received a letter from a girl. Apparently, they are sisters who shared the same father.

Even though she had never cared about him, the fact about his existence spread within her. The youth of a girl is 'like the music pouring out from the world,' and fragile like a raindrop...