Do you know "the world of zero sense of immorality"? In this world, people have sex on a daily basis, just as much as people greet each other. Whether it's at home, at school, or at work, everyone interacts equally at any time, welcomes acme, and makes a lot of vaginal cum shot. Well, today, for those of you who don't know this world yet, let's take a look at the ecology of a "family" who lives an ordinary life in this world.
