A woman's whole body is chosen by Ionna.

A Japanese woman named Mio, who attended a certain graduate school in New York, was a sex friend. Since we became physically on the day we met, we have been intertwining countless times over the years leading up to graduation. Then I graduated from university and was separated from Mio. And I never thought we would meet again in this way. In the rental room in the middle of the night... I wonder how many years have my right arm done such a job...