Are There Excerpts From A Book That Expand The Demon Slayer Universe?

A new world with nearly unlimited possibilities. A system, classes, magic, skills and monsters. Sounds exciting? But for Jin it didn't go quite as he expected nor was there a princess or a Goddess to welcome him to this new world, his only hope was the system he received. Left alone in the darkness, How will he survive when he wasn't human in the first place?

Miaka Von Speltsper, the myth, the legend and the daughter of two Gods. Miaka, the Demon King and the head of the Dark Council is the most powerful demon ever known to mankind, but she has a secret. She’s a hybrid. And the world she lives in has hunted down and eliminated every single hybrid in all the dimensions. But now…someone knows her secret, someone who has the power to destroy her. However, the world is changing and one of those changes is Kaleb Takeshi, the man with extraordinary eyes who has stolen Miaka’s heart with just one glance. But there is something about Kaleb that Miaka can sense but can’t describe. And not only is he human, he’s an enemy who has decided to give his loyalty to her. In this world of lies, deceit and betrayal; can Miaka trust her heart or will she have to choose century’s old traditions to stay alive? Because if she dies, it will truly be the end of the world.

When Mizuko slipped into the other world, she landed in the arms of a mischievous demon prince, Kenshi. New to the world, she didn't know he was a demon as he looked to her like he was a decent person. Because Kenshi helped her first, Mizuko decided to ask him for help in finding a way home while she fulfills the dead mage's request in relaying the message to the King. But no demon in Souzou helps unless they get something in exchange. A promise, it is what Kenshi wants the most.

300 years ago, humankind created their own nightmare. Demons, are originally humans but the lust for power changed them inadequately, this is humans own doing. Around 300 years ago, a large asteroid bombarded the earth's very ground. This is the beginning of the birth of demons. This meteor was large, but out of the blue, a mysterious lifeform is intact in it's very core. A human named Cruzius Akiyoma was intrigued when witnessing these menacing looking creature. He interpret this as a blessing from heaven. He then owned the creature and conducted an experiment. He was surprised when he saw the structure and building blocks of life of this creature. He obsessedly pictured this as a one stepping stone through human evolution. He extracted the DNA of the creature and modified it in able to merged it to human DNA. Without any hesitation he then merged his DNA to the DNA of the creature. He is willing to offer his body to attain his goal, thus sacrificing his body is necessary. After the merging, he was surprised because nothing in particular happened. But, he suddenly felt a surging power circulating through his body. He screamed in pain as his body is gradually changing. Darkness fell upon humans as the scream of the first demon engulfed the sky, seas, forest, and fortress.

Do you believe in love between humans and demons? Will there be a happy ending between humans and demons? The Wife Of Great Demon King is the journey of Luna Edwards and her lover, the powerful demon king, Leo Valdez. A fateful meeting when Luna was forced to marry the demon king so that she could protect her family. She had no choice because her family signed a contract to sell their life to the devil. Leo Valdez, the demon of hatred, the demon king holding thousands of demons in his hands, who can make the whole world sink in pain and death. He is a cold-blooded person who doesn't know what love is, but since he met Luna. Her warmth and sunny smile melted the heart of a demon lord making him fall in love with her and want to possess her for his own. The battle broke out between the seven powerful demon kings for world domination. Human greed, envy, and hatred have made the seven great demon kings more and more powerful. War broke out and Luna, an ordinary person, was suddenly caught up in the battle of the demon kings. With her love and kindness, Luna not only made Leo Valdez feel that there was not only hatred in this world but also love and sympathy. Just knowing how to forgive, all hatred in the world will disappear. And when Leo fell in love with Luna, it was also when he gradually lost his own strength, he learned to love, learned to understand and then he no longer felt the meaning of existence in the world. Two independent individuals, one person and one demon, seemingly parallel lines, finally met and created a heartbreakingly beautiful love story.

A 25 years old boy named John is suddenly shot by his friend, which results in his death, but is reincarnated again as the new Demon King. Unfortunately, he agains dies in a battle. This time also he is reincarnated but as a human. Follow Vis' adventure as he gets revenge, becomes a demon and makes his own harem.