Dai-chan, Daisuki.

Momoko, who attends a special school, is both mentally and physically disabled. Every morning she becomes peevish because she can't go to the ordinary school with her twin brother Riki. Her family soothes Momoko by singing her favourite song "The Song of Frogs".

The story is set in 1955 in Kokuga, Hofu City, Yamaguchi Prefecture. One thousand years ago it was the site of the ancient capital, Suo no Kuni, and traces of the Heian Period (year 794-1185) are passed down to us in the form of ruins and historical place names. The protagonist is Shinko, a third grade elementary school student, who was born and raised in one of the town's venerable families. She is a little girl whose characteristic is a strange curl on her forehead (she calls it her "Mai Mai"), and her love for playing in the fields. On the other hand, her secret joy is to imagine and to daydream about the world of one thousand years ago. Her fantasies travel far into the days of the Heian Period… One day, a girl called Kiiko transfers from Tokyo and enters Shinko's class. This girl from the big city has difficulty feeling at home in this small town, but gradually her friendship with Shinko deepens. Before long, the two of them become engulfed in a strange incident of one thousand years earlier...?!

The story depicts the interaction between the children of the island and their teacher, Yoshioka Makotoware who is unable to speak because of a childhood accident.

After transferring into a new school, a deaf girl, Shouko Nishimiya, is bullied by the popular Shouya Ishida. As Shouya continues to bully Shouko, the class turns its back on him. Shouko transfers and Shouya grows up as an outcast. Alone and depressed, the regretful Shouya finds Shouko to make amends.