The Hiiragi couple married while young and had been living a harmonious married life without any particular trouble. As a woman with a strong sex drive, Ren devoted herself to her husband but always found Mondays particularly dreary as he would return from work late. And once again, Monday had arrived. After seeing her husband off, Ren's face was not filled with the usual boredom but with anticipation. Ren intended to reveal her feminine instincts during her husband's absence…
