's coworker Saeki has learned about the unconventional relationship between Mitsuki and Shinomiya, and now he's opening himself to his own desires. But the younger businessman decides that he, too, wants to be with Mitsuki! Who would've thought that their friendship would lead to a competition date between Saeki and Shinomiya?! To make matters worse, a fortune teller claims that Saeki and Mitsuki are perfectly sexually compatible! How will Mitsuki and Shinomiya deal with this new wrinkle in their search for their own ideal sex life?