Sixth-grader Hirose befriends Takahashi, a lively, petite girl running for student council president. When he encounters the loss of her twin sister, their relationship falters and the story examines what friendship means.

As their friendship deepens, they come closer to the secret in the other's heart.

A work of children's literature by Kiyoka Takamura, recorded under the title Suishōju no Nemuru Mori in the list of Ogawa Mimei Literary Award recipients.

A work of children's literature by Kiyoka Takamura.