Husband, Is That "Dotting" Within the Contract?

One day, Nanana, who works for a household goods maker, is given a ridiculous special mission. As a new product monitor, live with the demon boss Takasawa on the assumption of a "couple"! ?? Work while being puzzled Nanana who takes over. Then, Takasawa confessed that he liked it all the time, and even said, "Through this living together, I want you to try what is suitable for your husband!" ??