Yaotome Kai is a sixth grade elementary school student with a new neighbor living in the apartment next door. The slightly weird girl Yaotome Haruru. Eating school lunches, having likes and dislikes, and forgetting things as elementary school students do. Casually hanging out whilst their parents get along, as next-door neighbors do. The latest work by "Seitokai Yakuindomo" author Ujiie Tozen. A comedy of two elementary school neighbors.