The relationship that it is close, and Sumi etiquette and the Miku between the mom Yu can talk about anything to the thing of a chat and a trouble and the son with sons. One day the topic becomes the topic of the Sei when I talk in two people as always. Hear that I did SEX with one's son, and the Miku is surprised from Sumi etiquette then. Be not had anything to do by the master, and the Miku of the frustration approaches you with consultation in the Sumi etiquette. Say that the Sumi etiquette that heard consultation of the So seems to be interesting although I am amazed to learn, and receive suggestion of the Miku. A few days later, Miku Parent and child goes out to the house of the Sumi etiquette to play; two there naughty mom Yu….