From the day Mu Ran was born, the world had only two colors.
The endless red stretching across the sky, and the glaring white of the laboratory ceiling that stayed lit day and night.
They said she was the only successful chimera, a perfect fusion of ghost and human genes.
She didn't know what reproductive isolation was, or what made something an interspecies miracle.
But she knew she wasn't the hope for humanity's future, as they called her, nor some spark that would improve humanity's odds of survival.
She was a monster.
A monster locked in a cage... wearing a collar.
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She first met 012 after completing a mission to purge an anomaly.
Blood blossomed across her body like exquisite fruit. The scent of slaughter and death stirred his appetite, a rare thing.
Yet, as a glutton who fed on desire, he could see no desire in her at all.
So he gave her a name, and watered the fruit of desire in the name of love.
But back then, he only knew that human desire began with yearning for what one did not have.
He didn't know that the same was true of gods.
It turned out this world offered him more than mere satisfaction of his appetite.
A practical guide and content warnings (please be sure to read!)
1. The male and female leads are nonhuman, and both have flaws in their personalities. They have no moral compass and do whatever they please. Please don't assume the characters' values are the author's values!
2. This is a post-apocalyptic story. It includes both romance and plot, and the male lead isn't just a background character. There will be monsters, ghosts, anomalies, horror scenes, and terrifying creatures, but the level of horror varies from person to person. If you can't handle horror at all, please click X.
3. This story is set in a fictional world. The story, including its names of people and places, is all made up and has absolutely nothing to do with reality. It's just for fun, so please don't compare it to real life.
4. Written on November 24, 2023, and updated on May 10, 2025. Screenshots have been saved as proof. Please don't steal the premise.
Premise: Break free of your chains and emerge from your cocoon as a butterfly.
