Night after night, the sister who stifles her voice to fuck with Papa, and the older sister who skips school with a fake illness to lure in Papa. Then... mounting sisters, two-on-one with the insatiable Papa! 'Runa, my older sister, once a week, Rin, my younger sister, once a week, and otherwise, let's do it all three together!' The sisters burning with desire slowly destroy the morality within the family...
