Secret lover relations not to be able to say around at the same time as "Koharu" and "the Ruri" of the manager registered at the swimming club of the certain girls' school are relations of the Senior&Junior. "The Ruri" which is subdued in the aggressive "Koharu" and Ubu which want to flirt without choosing the place. Two people awakened to Sei of marriageable age put a body boldly…
