Mom and son, Sorin play: A fallen parent and child, FUJIWARA no Kirika

His father's company went bankrupt. And the remaining debts, such three parents and children. my father and mother who think in their hearts... However, my father who doesn't let me do what I want to. At last, he killed his father and immersed himself in a playful game with his son. And ... it is a new incest drama with black humor in an unprecedented story!