is a notoriously dark and extreme Japanese visual novel released by CLOCKUP . While it is famous for its extreme "shock" content, it is often cited by the visual novel community for having a surprisingly complex and deep narrative hidden beneath its graphic exterior. Plot Overview

: The game requires players to complete several heroine-specific routes (including Rika, Rinne, and Natsuki) to unlock the true ending.

As the game progresses, the narrative shifts from simple torture into a surreal mystery involving and deep-seated psychological trauma.