In order to fulfill the wishes of the client who wishes to have sex with his close relatives, Koichi Takahashi stands up... Peeping the whole incest plan!Director Koichi Takahashi responds to a request from his older brother who wants to have sex with his younger sister, whom he has been on good terms with since childhood and has seen him as a sexual object.Her younger sister fell in love with her brother's friend at first sight and got married.14 years after her child was born, she consulted her brother about her husband's cheating.Then Takahashi was introduced by his older brother as an expert in the troubles of married women.A younger sister who is practically educated on how to invite her husband under the pretext of teaching her husband's strategy.When she caresses her director and stimulates her sexuality back, her lust does not subside and she wants her cock by herself and rolls up with a loud voice.At a later date, she practices seducing her husband with another man.With her blindfolded, the other party is SEX without knowing that she is her brother.