In this story, two sisters named Hikaru and Hinata are taken in by their uncle Takigawa after their parents pass away. As time goes on, they begin to realize that Uncle Takigawa has some unusual fetishes and he starts to sexually train them. Eventually, they are told that only one of them can stay with him permanently while the other must leave. Hikaru suggests to her sister Hinata that they should escape together even if it means living in poverty, but...