In an alternate 19th century, two women make their livings through organized crime, violence, and murder. But in each other, they find something they believed was impossible. Now they must find for themselves if their sins can be washed away. Luka/Miku, inspired by "Rondo of the Sun and Moon."

It started with a ten foot billboard, it followed with Hatsune Miku and Megurine Luka working together, and it became so much more than they ever had thought it could be. Yuri/rated M for explicit scenes in the later chapters. [dropped]