Bondage Game -shinsou No Reijoutachi- 1 2 ((exclusive)) -

Spanning two main entries, this duology is recognized for its atmospheric storytelling and detailed character design. This article explores the technical structure and artistic presentation of both titles. 1. Introduction to the Series

, who utilizes her and other women for BDSM-themed activities. Adult Content

While the series is often categorized as a visual novel, it spawned an OVA (Original Video Animation) adaptation that is widely considered one of the "sickest and most disturbing" series in its genre.

and directed by HAJIME・T, featuring character designs by Yukinori Umetsu. : A "DVD Player Game" version was released on August 8, 2003

The franchise originated as a PC-based tactical simulation and visual novel titled Bondage Game ~Shinsou no Reijou-tachi~ (loosely translated as "Deep Mansion Daughters").

The plot of the game and OVA is not purely focused on sexual servitude, however. According to the original game's story, there is a deeper, more fantastical conflict at play. The narrative arc follows characters and Mayu , who are attempting to summon monsters to conquer the world. This scheme is eventually thwarted by a character named Sha , who sacrifices herself to stop the summoning. The resulting conflict ends with a final battle in which Shin, Mayu, and another character named Ai disappear, leaving their fates unknown.