Amid the steam of the industrial revolution, mysteries surge beneath the surface. Cults and secret societies seek the extraordinary in the shadows, while hidden gods gaze upon humanity from the heavens.

Forbidden knowledge, sacrificial rituals, and forgotten histories—mystery is everywhere.

Dorothy, unexpectedly transported to this increasingly bizarre world, discovers that to survive and move forward, she must adhere to one principle:

Knowledge is power.

And forbidden knowledge?

That’s an even greater power!

In her third year living in this steampunk world, Ciel gained the ability to simulate both the past and the future.

These simulations turned into a game where she could act without restraint, and after countless trials, real life became a replica she could navigate as though speedrunning it.

Churches, potions, mutations, the Old Gods, witches, sealed artifacts… none of these have anything to do with Ciel. She’s just an ordinary girl who wishes for a peaceful life.

She just happens to be particularly skilled at snuffing out danger before it even begins.