Tentou Mushi no Uta

The daily life of the Motsumoto family. The three sisters, Fuu, Suu, and Chii, follow what happens on a daily basis. Mother and Father have to deal with them sometimes, but they're used to it.

In the district of Monzen-Nakacho of Koutou in Tokyo, three sisters live in one house. The Watanuki sisters had a life of hardships, a life without a mother, who died in their early childhood and now without a father, who died just a year ago. Now alone and becoming the inheritors of the Watanuki house, the sisters have to endure several situations in their everyday lives; whether those are happy, sad or special, they will test the sisters' bonds as a family.

This is a story about two sisters: Shizuru, is a high school student who is able to see ghosts while her younger sister, Mizuki, is haunted by these apparitions. Frustrated by their abilities, their parents decided to entrust the sisters into the care of their grandparents who live in the countryside. As they adapt to life in the countryside, Shizuru and Mizuki begin to learn about the importance of coexisting nature with these apparitions.

The Yamada family consists of Miiko, her brother Mamoru and her parents. Both of her parents have work, so they are usually busy during the day and are outside of the house most of the time. The troubles in Yamada family are usually caused by Miiko's lazy character and her clumsiness.