In "Lucifer's Dream World," Lucifer, now residing in his own surreal dimension separate from Heaven and Earth, creates a vast and enigmatic dream realm reflecting his complex psyche. This dimension is a playground where thoughts and desires physically manifest, revealing the depths of Lucifer's inner world. As the architect of this realm, he shapes landscapes and entities to match his whims, but soon faces challenges that force him to confront his past decisions and unresolved conflicts.

The story begins with Lucifer enjoying the freedom of his dream realm but soon encounters a mysterious visitor who brings unsettling revelations about his past. This interaction leads him to explore neglected parts of his dream world, confronting haunting echoes of his fall from grace and his previous angelic life.