Koichi Takahashi stands up to fulfill the request of the client who wants to have sexual intercourse with a close relative ... Voyeur the whole incest plan! - Director Koichi Takahashi responds to a request from his older brother who wants to have sex with his younger sister who has been close to him since he was a child. - Her younger sister, who fell in love with her brothers friend at first sight, caught her and got married. - Now, 14 years after her child was born, she was worried about her husbands affair and consulted with her brother. - Director Takahashi was introduced by his brother as an expert on the worries of married women. - A younger sister who is educated in practice how to invite her husband in the name of teaching her husbands strategy. - When she caresses her director and stimulates her sexual feeling and is returned, her lust does not subside and she wants her cock herself and screams in a loud voice. - Later, she practiced seducing her husband with another man. - With her blindfold, the other party does not know her brother and SEX ... Even after spoilers, she is disturbed by her brothers cock.