Do All-Color Butterflies Dream of Electric Cats?

One mysterious death. One impossible invitation. Yin Xifan's world shatters when her sister dies under suspicious circumstances—but that's only the beginning. A strange girl materializes from nowhere, offering a choice that will change everything: "Want to come over to my side?" On the other side lies a reality where nothing is as it seems, where butterflies dream in impossible colors, and where the truth about her sister's fate waits in the shadows.