Since her parents were getting a divorce, Natsumi had to leave home and got transferred to a boarding primary school, staying in a dormitory. All of her classmates in the dorm seem to be in all sorts of situations. The dorm is famous for its delicious food. The one who runs the dorm is Natsumi's uncle, Takurō. Though they're kids, BECAUSE they're kids, a lot goes on. But since they're kids, all they need is some food to eat! But still, cohabitation is tough...