What kind of parallel world did Demon Tail talk about from episode 78 onwards?

I don't think it'll necessarily meet your needs, but I'll try my best to recommend a novel that's most relevant to your description." The Elf Envoy from the Demon Tail " is a light novel by the author, Dancing Starry Sky. It's a derivative Doujinshi novel. The general plot of this novel is: The young man who obtained the Elf System descended into the world of the Fairy Tail and dominated the world as an elf sorcerer. The introduction is too weak, please enter and take a look! ---------------------------- " The Magic of Devil's Tail Painting " was a light novel written by the author, Xinhai Huanjing. The general plot of this novel was: He had come to the world of Fairy Tail with the intention of creating a powerful spell. However, he did not expect that he would obtain a painting spell that did not have any combat ability… ---------------------------- Lucy's Journey to Trial was a light novel by the author, Primeval Path, and it was a derivative Doujinshi novel. The general plot of this novel was: To put it simply, it was the story of the fairy's tail, the Star Elf sorcerer Lucy Heartfilia, traveling through various anime worlds. The first world was the Legend of the Magic Soldier, the second world was the full-time hunter, the third world was Inuyasha, the fourth world was the Psychic King, the fifth world was One Piece, the sixth world was Naruto, and the last world was the Fairy's Tail. ---------------------------- " Picked up a World of Demons 'Tail " was a fantasy novel about swords and magic written by the author, Little Xia Bao. The general plot of the novel was: Compared to other books with demon tails, this book was different in that it brought the magic of demon tails into another world. It was another way to show his love for the demon tail. In the Magic World, Motian re-established the Fairy Tail Guild and made it the strongest guild in the world. New book," Invincible Summoning of the Heroic Spirits of the Heavens ", group number 191600511. ---------------------------- " The Transformation of the Nine-Tailed Fox Fairy " was a light novel written by the author, Ge Beng. It was a funny and sarcastic novel. The general plot of this novel was: Behind the city of debauchery was a world of monsters, ghosts, cultivators, Dao techniques…and the nine-tailed fox was a powerful existence at the peak of the demon race's bloodline. This was the story of an unlucky young man who was resurrected into a nine-tailed fox in the body of a young girl. Transformed, single, monster, storyline, urban fantasy chat group: 316777983. ---------------------------- " Journey to the Heavens from Mud Mountain " was a light novel written by the author's little kitten. It was a derivative doujinshi novel. The general plot of the novel was: [New Book: From the Beginning of the Global Mythology Revival] He had thought that he was a poor kid, but he had never thought that he would become a rich second-generation heir. He had wanted to be idle for the rest of his life, but he had activated the strongest auxiliary system. This book was also known as " Journey to the Heavens Starting from the Fox Demon ",[known world: Fox Demon Little Matchmaker],[known world: Under One Person],[known world: Divine College],[unknown world: Great Wilderness]... Book group: 832318588. ---------------------------- Once Upon a Time There Was a Demon was a sci-fi futuristic novel written by the author. The general plot of the novel was: "Demon? How can there be such a thing!" "No?" "Definitely!" "Then look at my tail. Does it look good?" Remember, this world is not as simple as it seems. ---------------------------- " The Demon Emperor System of Elves " was a light novel written by the author Salted Fish Q, who had turned over a new leaf. It was a funny and sarcastic novel. The general plot of this novel was as follows: Elves were the most beautiful and dangerous creatures in the world. When you explore this world with reverence, the world is also watching you! ---------------------------- " Catwoman's Journey to the Other World " was a light novel written by an old cat. It was a funny and sarcastic novel. The general plot of the novel was: His new book, the second volume," The Legend of Douluo's Demonic Cat ", had been released! A small cat demon was banished into the World of Samsara by an enraged demon king. It was reborn in the Douluo Continent's Star Dou Spirit Beast Great Forest and was picked up by a Midnight Cat Demon. From then on, it became a fake spirit beast. How did the cat demon at the bottom of the demon world change the world of soul beasts? Soul Ring, Monster Core, conflict? Demon power, soul power, which awesome coin? Would a demon cultivator reach the heavens in a single bound on the Douluo Continent? Would the conflict between soul beasts and humans be resolved? "Meow, Tang Wulin!" ---------------------------- " The Fox Fairy's Eight Tails " was a light novel written by the author, Yu Mu gongzi. It was an original fantasy novel. The general plot of this novel was: A magical world, a demon academy, and a legend of fierce battles. From being fooled by others to becoming a formidable opponent, he was called Hu Bawei until his 16th birthday, when his legend began…