クラスの係を決める時、一番面倒でない生き物係を選んだまる子だったが、今度から動物小屋の飼育当番をクラスの生き物係がすることになり、さっそく動物小屋のにわとりの世話をすることに…。
When class jobs are assigned, Maruko chooses the animal-care role because it seems the least troublesome. But then it’s decided that from now on, the animal-care team will also have to look after the chicken coop. And so Maruko is immediately put to work tending the chickens…