my sisterinlaw, lesbian, aoki rin.

His parents forced him to marry him. It was Toshin Zaibatsu, where the lady Emperor Tosarachiyo reigned as the chairman. His husband, Sachiyo and his older sister Yuki were not even given the right to speak in the family because of their rape control, and Rin could not hide any surprise from this heterogeneous family. One day, she was sent overseas by a voice from Sachiyo. And then the rin comes to know. the meaning of this marriage... and the unique sexual intercourse that is transmitted to the true family. And the endless and jealous desires!