University student, Toshifumi of the situation that the mark of the examination is the worst because of the everyday sabot re-habit, and the promotion is in danger. Mother who worried about such Toshifumi decided to have a watchdog make Younger Sister, the Chieri which lived in Tokyo. Toshifumi at a loss for the cohabitation with the aunt who began by an unexpected coincidence. The Masturbation is hardly made at all in the life such as the prison, too…Witness a ripe naked body of the Chieri accidentally in the end; and Shimatta Toshifumi of the spear tai age cannot control the sexual desire that kept collecting and….
