Description: Yakumo Rio and Yakumo Miyu, it lived by family matters in a special little while environment. Though two people who had lost parents when it is young were received by the grandfather, that grandfather “Yakumo class” it was a leader of the class. The grandfather thinks that it wants you to live in the world without relating by himself in the granddaughter, they are not made to be related to work and the custom etc of the class as much as possible, it has raised it as a very usual girl.
