■Family with a new and incest, Sadasada's ideas are unusually low: Yumi Kazema

Do you know the world of zero sense of injustice? In this world, we do sex on a daily basis as much as people say hello. Whether it's at home, at school or at work, everyone is going to have equal exchanges and acme with each other no matter what time they are, they're going to be out in large quantities. Now, for the reason that you do not know this world yet today, you will see the ecology of a "family" who lives in this world as a mediocre.