Nie No Hakoniwa - Dollhouse of Offerings

The first title by NEKO WORKs's sister brand, Chatte Noire. A visual novel epic filled with madness and a complex mix of love and hate. Let's celebrate—the birth of this nightmare. In a time long past, the oppressed sparked a rebellion with the aid of a "box" introduced by a stranger. With time, these once subjugated individuals thrived as the prestigious Seven Noble Families. Yet, the Shiki, at the helm of this lineage, faced a dilemma due to the absence of male successors. This led them to welcome a young man from beyond their borders to continue their legacy. This young man was named Yasaka Kurou. His encounter with Kyouko, the Shiki's eldest daughter, started a unique connection. Despite their vastly different lives, a mutual attraction soon blossomed between them. And on their wedding day—a nightmare was born. [Translated and edited from the official site]

A long time ago, an outlander appeared before the village of a long-suffering minority. In his possession was a mysterious "box" which was used by the oppressed to rise up and overthrow their oppressors. Years later, that oppressed group formed seven noble houses and grew prosperous. However, House Shiki, which stood first among the Seven Noble Houses did not have a son to succeed the family. In order to have an heir, a young man from outside the village was adopted in to the family. Kurou, born and raised as a "product" and ignorant of the subtleties of being a "person," is introduced to Shiki Kyouko, eldest daughter of House Shiki. These interactions begin build emotions within him. And on the day of their marriage - A nightmare is born.