3-kai Mawatte, Osuwari -Dom/Sub-

In addition to men and women, there is a second gender called dynamics. There is a gender called ``Dom,'' which is filled with the desire to dominate, and a ``Sub,'' which is filled with the urge to be dominated. Ai, who is a Sub but lives a life pretending that she is normal, is forced to participate in a town party where Dom/Sub sex gathers, but an unexpected person shows up...!?