Fourteen year old Yokosuka Megumi, is the younger sister of Joe. She has been living all by herself in an orphanage ever since her only family, her brother (Joe) was given to a man as an adopted child. Joe, who was actually sold to an inter-gender sex offender, fears the same fate might be pushed on to Meg by the caretaker of the orphanage. 'Meg' as addressed by her brother, loves Joe more than anything else and so she refuses to become a burden to him and decides to live her life by herself.