Two weeks passed since Murakami came to this class.
He sleeps during a class as ever.
Even if Murakami could fly into a rage, it was usually a quiet student.
However, one day, Murakami goes on the rampage in the time for preventive injection...

The stage is an elementary school in the suburbs of the big city in Japan in 1980's. A story of the time when there was not yet a convenient mobile telephone or a portable game console. One who changed school in the elementary school It is a story to surround a transfer student and classmates.
At dusk of one day, Yoko saw one truck during leaving school. What there was on there... .
One transfer student comes over the next day in the class. The child named Murakami was that child who got on a truck yesterday who did the figure of "the animal". Next Murakami who sit down in its seat who was not crowded next to a proton. In a class, may Murakami get along well as expected from now on?

- Murakami -
The boy who did the figure of the animal which changed school in the character Class 4 of the third grade. Other than what I transferred from the suburban town to, it is wrapped in a mystery. An animal action is brought into question.... .

- Yoko katakura -
The chief character of the story to sit down next to a seat of Murakami. As for the considerate one side to worry about whether you can do it well while half hating an action of Murakami.