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This is a story about a world that splits into billions of endless worlds just like the classic science fiction trope "parallel worlds."
Although stories of parallel worlds have been written in many mediums (novels, movies, manga, etc.) in the past, I consider this story, "the Princess of the Never-ending Castle," presents a new way to show parallel worlds in which I've never seen before.
At the same time, this graphic novel also includes experiments of manga expressions. Please enjoy this work that features new challenges in various parts."