[1888 London Fog + female protagonist detective + system + yandere + female protagonist takes the initiative to control madness.
College student Jian Anan bound the [Detective] system to the Hexagram game and traveled to London in the fog of 1888. In order to save 100 points, Jian Anan transformed into a female detective who was not seen by the world, broke the worldly prejudices, and found the killer hidden in the fog, Jack the Ripper.
Intention: growth
