Toaru Kazoku no Netorare Moyou -Kazoku Ai-

One day, the father suddenly disappeared. And from the next day, unknown men started visiting family members. First, the mother, then the sisters, and finally even the beloved wife... The family's bond is gradually torn apart, and they fall into a world of debauchery. Despite their desire to believe in their loved ones, they become obsessed with lewd acts, manipulated by men with various fetishes. A time of infinite suffering is about to begin.