Three sixth-grade sisters- Umi, Sora and Ao, run the Iruka-ya, an odd-jobs service. Give them any task, and rest assured they'll get it done! Every day is business for the Iruka-ya, which enjoys immense popularity and receives request left and right. One day, the girls are confronted with the task of convincing a boy to go back to school. Unfortunately, the Iruka-ya girls clearly do not go to school themselves and may not be the most convincing examples for their client! Will they succeed?