In a dilapidated castle, Astaroth awoke as a Demon King.With his ‘wisdom from his past life,’ he would rule over his lands as a thorough ‘realist.’“Demon King, why are you attacking the level 1 Heroes?”“Defeat them before they become stronger. That is called strategy.”“Demon King, why are you sending fake money to the enemy country?”“To bring chaos to their economy so they will self-destruct.”“The werewolf troops have attacked. Should we use silver bullets?”“Not bullets, shoot them with canons.”And like that, Astaroth ‘reformed’ the old tendencies.He became a lord who was loved by the people and his subordinates, and he would go on to be called the most powerful Demon King in history.
Realist Maou Niyoru Seiiki Naki Isekai Kaikaku It is also Known as: リアリスト魔王による聖域なき異世界改革, The Legendary Rebuilding of a World by a Realist Demon King
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Top 5 Light Novel Like Realist Maou Niyoru Seiiki Naki Isekai Kaikaku [2025 List]
5. Kage no Jitsuryokusha ni Naritakute
Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled….. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.
To Be a Power in the Shadows! is currently publishing and has Chapters. It is also Known as: 陰の実力者になりたくて!, The Eminence in Shadow, Восхождение в тени
4. Tate no Yuusha no Nariagari
Naofumi Iwatani, an uncharismatic otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction.
As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!
The Rising of the Shield Hero is currently publishing and has Chapters. It is also Known as: 盾の勇者の成り上がり, Tate no Yuusha no Nariagari
3. Mushoku Tensei: Isekai Ittara Honki Dasu
Just when an unemployed thirty-four-year-old otaku reaches a dead end in life and decides that it's time to turn over a new leaf—he gets run over by a truck and dies! Shockingly, he finds himself reborn into an infant's body in a strange new world of swords and magic.His new identity is Rudeus Grayrat, but he still retains the memories of his previous life. Follow Rudeus from infancy to adulthood, as he struggles to redeem himself in a wondrous yet dangerous world.
Mushoku Tensei: Jobless Reincarnation is currently publishing and has Chapters. It is also Known as: 無職転生 ~異世界行ったら本気だす~, Jobless Reincarnation – It will be All Out if I Go to Another World, Jobless Reincarnation - I Will Go All Out When I'm Transported to Another World, Mr. No-Job's New Life - If I Go to a Parallel World, Then I'll Get Serious
2. Tate no Yuusha no Nariagari
Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction. As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!
The Rising of the Shield Hero: The Manga Companion is currently publishing and has Chapters. It is also Known as: 盾の勇者の成り上がり, Tate no Yuusha no Nariagari
1. Tensei shitara Slime Datta Ken
After being killed by a passing robber, a normal 37-year-old guy finds himself reincarnated in another world as a blind slime with unique abilities. He takes up a new name and calls himself "Rimuru Tempest," which he thought of after meeting his new friend, "catastrophe-level" Storm Dragon Verudora. There, he begins his new slime-like life in another world with his increasing number of minions by his side.
That Time I Got Reincarnated as a Slime is currently publishing and has Chapters. It is also Known as: 転生したらスライムだった件, Regarding Reincarnated to Slime, Re: My Reincarnation as a Slime