Though the extensive inheritance is patched, The heart is not filled. A certain day, it approaches housemaid Miwa that serves casual from old, and ii begun conscious her as a woman.

Stepmother Sayuki on one side, the motherhood that remains and a sexual desire that cannot be managed, though it is mother. It receives Seiichiro with the sense of rivalry in Miwa, two will connect with the sexual relations before long respectively.

A prohibited act escalates, to the pregnancy ―― before long...