The oldest and strongest ancient Dragon who grew tired of living chose to die when the Heroes came for his life. When the Dragon’s soul was waiting to drift toward the Sea of Souls, that was when it noticed it had been reborn into a Human baby. The Dragon then decided to live a life as a Human to the fullest, and regained his will to live. The Dragon was born as the child of a farmer and lives his life in the frontier possessing enormous amounts of power due to his soul being a Dragon’s. He then encountered the Demon of the Lamia race, fairies, Black Rose, and later entered the Magic Academy. The man whose soul is of a Dragon lives his life in joy going to Magic Academy, spending time with an old friend, The Earth Goddess, meets beautiful girls, strong classmates, the Dragon King and the Queen of Vampires.

Amakawa Haruto died before he’d the chance to reunite with his childhood friend who disappeared five years ago. Rio, a young boy living in the slums seeks revenge for his mother who was murdered in cold blood in front of him when he was only five years of age. There exists the earth many knows of and there exists an alternate world. Two people, each with their own backgrounds and values. For odd reasons, the memories and personality of Haruto, one who should have died resurrects in Rio’s body. As the two are confused over their memories and personality fusing together, Rio (Haruto) decides to live in this new world. Along with Haruto’s memories, Rio awakens an unknown but special power. If he’s to use it, it looks as if he can live a better life, but before that, Rio encountered a kidnapping which results in involving the two princesses of the Bertam Kingdom. After saving the princesses, Rio is given a scholarship to attend the Royal Academy, a school for the rich and powerful. His background being a poor orphan who once lived in the slums, the school full of nobles was rather a detestable place to stay at.

Without rest, Joshua worked as a Production Magician with low pay for a black knights order. Within this cruel environment, he was asked to increase production. But when he discovered that his weapons were being used for s*ave hunting, Joshua confronted Captain Royg. However, Royg said that Joshua was arrogant for being a mere crafter, and fired him. And so Joshua headed south in search of work. On the way, he saves a beautiful Kijin girl, and he decides to make tools and weapons for them in order to help with their primitive lifestyle. However, there was something that Joshua and Royg did not know. As Joshua’s production magic had been mastered in the black environment, he had now become the greatest Production Magician in the whole world. Furthermore, he also had the strongest magic of any magician. The knights order fell so low that they couldn’t buy anything, once they had lost him. But as for Joshua, he would enjoy his pleasant crafting life on the frontier.

There was once an ordinary and remote village to which a man, who had no relatives, appeared. Since then, everything has changed. Labor became pleasant, people stopped starving and became healthier, resulting in population increase. On top of that, the village started to flourish in trade. A time of huge change and considerable turmoil was about to begin, a revolution that no man could turn a blind eye to. In the ancient bronze era, even more distant than medieval times, a certain blacksmith was yet to make his great effort.

Lucifer, the strongest Demon king has ruled the demon race with his overwhelming power. Making a Harem with his dearest wife, he spent several hundred years eating, making love and sleeping. Tired of sleeping, the Demon King began to seek for a powerful enemy. Why doesn’t the hero come to subdue him? Even though he’s been waiting for so long. Lucifer then turned himself into a human, and decided to go and see the military academy, which is a training institution for the heroes. The best way to know what’s inside is to enroll in the school. He quickly passed the entrance exam and enrolled safely…!? This is a story of the most powerful demon king that becomes the strongest hero by mistake.

A small dungeon is fine. And yet I create a massive and powerful dungeon. Chrono is an ordinary demon attending a dungeon creation class at the demon lord’s academy. Upon hitting 20 year’s old, Demonic Beings are encouraged to attend the academy and live there while perfecting the art of creating dungeons. Chrono thinks that creating a small dungeon would be sufficient, however, what emerged was an extremely massive dungeon with hundreds of layers. Moreover, the level of the dungeon exceeded the dungeon created by the legendary demon king by a large margin. 「A small dungeon is all that I ask of….!」 Chrono who was looking for an ordinary and comfortable life quickly became the focus of attention of many and quickly rise up within the demonic society. It won’t take long until he was hailed a hero.

Henry Tone, an adventurer who came to the city behind from the front line of the battle with the Demon King. His purpose is…… “I want to spend the rest of my life by thinning out lukewarm monsters in a safe city and collecting materials in places where I can go for an excursion.” It’s a story of a peaceful life spent by a man who, at around twenty years old, no longer shows any signs of ambition.

Three years ago, in the land of Reinbulk, a Legendary Hero was summoned in the Kindom of Leezalion and he succeeded in repelling the Demon King. Now, five students are summoned back into Reinbulk by the Kingdom of Luxeria to fight against the Demon King and the demon army. Unlike the other heroes, Yashiro Yuu has no magical affinity and the Luxeria Kingdom has no intention on acknowledging his existence or returning him to his world. However, Yuu is actually the previous Hero that had fought the Demon King. Moreover, he is perplexed at the situation since he knows the Demon King has not returned since he sealed him. If the seal was ever broken then he would be automatically summoned instead of normal summoned. Since he already saved the world once and the Demon King hasn’t been unsealed, Yuu decides to leave the demons to the new heroes and retire from the Hero business. So he decides to become an adventurer.

This is the diary of a certain novice Adventurer. She started with such big dreams and hopes in her heart… This diary is filled with ordinary observations, records and grumblings on the daily lives of Adventurers. The diary that she started, swearing that she would one day become a great Adventurer. This is the first volume.

Iris Calvafon, a 16-year-old girl. The bookstore girl who was divinely chosen, and possessed a magical grimoire. But the truth is, she’s just a normal girl who loves books, especially adventure novels. The elven swordswoman, Tosrillon. The werewolf thief, Carotayle. The warrior priestess, Rosalith. After meeting these three people, Iris’ realizes that she strongly yearns to go on a real adventure of her own. Iris decided to join them, despite the danger. And with that, she set off on a wondrous adventure alongside those three girls. It’s that kind of story. A story where the ordinary girl shall use a mysteriously powerful grimoire, and become a hero.