A story of a certain family. Kikake was caused by his brother Tatsuo's long-term overseas business trip. This is because Haz's younger brother, Yasuhiro, who went out to his son's adopted child, crosses the line with his sister-in-law, Ryoko Murakami, shortly after living together. As a result, Ryoko became a younger brother's sex slave. In the meantime, Leon Otowa, a younger brother's wife who couldn't get a relative night partner. Even when his brother returns to Japan, he continues to seduce him with his defenseless and entertaining behavior as if he were asking him to aim, and finally he communicates. And one day, a brother who came up with something makes a strange proposal at the same time. I wonder if my wife or your wife is a metamorphosis ...
