The place where Rin got married, forcibly decided by her parents. It was the Touma Zaibatsu, where Empress Sachiyo Toma reigned as chairman. Her husband has not even been given the right to speak in her family due to the forced control of Sachiyo and her older sister Yuki, and Rin could not hide her surprise at this heterogeneous family. One day, Sachiyo's voice sends her husband abroad. And Rin will know. The meaning of this marriage... And the peculiar propensity that has been handed down in the Touma family... And Yuki's endlessly indecent desires...!
