The main character, Tsutomu, is a third-year junior high school student who goes to school every morning. Surrounding Tsutomu is a teacher who loves surprise tests and seeks men. He's a childhood friend who always appeals to Tsutomu but doesn't pay attention to him. Tsutomu's parents, who are seemingly ordinary and eccentric, are always on good terms. A domestic cat that can do everything from shoulder patting to running errands. The story of Tsutomu's funny and everyday life.