The Irai of the Office Lady helped each other with older brother, Keisuke in a left house after losing parents, and lived. However, one day the older brother left the house from a certain event. The Irai is waiting the return of the older brother all the time in a large house. Irai is still Virgin. Trained own finger while imagining it every night, and leaked a voice. A boyfriend was able to do it in such an Irai. However, without izatonaruto body accepting him….