Akuratsu Chijoku no Yuri Shimai 

あくらつ～恥辱の百合姉妹～

Released: 2005/10/21  Media: DVD   Company: MarryBell

Kiryuu is the successor of the Matoba Grup however he has to prove his worth to his father by training a group real half-sisters, he has to make them  swear complete submission...