Go and his sister Noriho live in the house of his brother who lives alone in Tokyo to attend a university in Tokyo. Riho is the child of the person whose father remarried, and has no blood. If Riho has more emotions than his brother and has a chance, he will try to tempt him, but Australia has endured without crossing the line. However, my older brother who can't get rid of Muramura's huge breasts is at the limit of patience ...
