How a Realist Hero Rebuilt the Kingdom - Recommendations

Alt title: Genjitsu Shugi Yuusha no Oukoku Saikenki

If you're looking for manga similar to How a Realist Hero Rebuilt the Kingdom, you might like these titles.

Become the Castellan in Another World

Become the Castellan in Another World

When a gamer and homebody starts the buff for traveling through time and space, he certainly chooses to make waves! Make waves! And make waves! Domineering cat lady, Lori fox lady, Girly rabbit lady…This is not a Zoo! This is a fantastic Another World under the rule of the law of the jungle! In a real strategic game and a huge conspiracy crisis, the Overlord of Another World is emerging, with the rest nothing but losers…

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Reasons you might like Become the Castellan in Another World...

UnownDragon666 UnownDragon666 says...

Similar kingdom-building plots, with drama, and action mixed in. The main characters are alike and both of them are essentially building a harem.

The Reformation of the World as Overseen by a Realist Demon King

The Reformation of the World as Overseen by a Realist Demon King

The 72nd Demon King, Astaroth, has been reincarnated in a strange new land with a mission to unite the world under his banner and reform its chaotic ways. As the youngest of the Demon Kings, his forces may be weaker than his rivals, but he won’t hesitate to use all the means at his disposal to achieve victory. Wielding unheard-of resourcefulness and tactics, he’ll reshape the fate of all who live under his reign!

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Apocalypse Bringer Mynoghra: World Conquest Begins with the Civilization of Ruin

Apocalypse Bringer Mynoghra: World Conquest Begins with the Civilization of Ruin

“I reincarnated as an evil god.” Takuto Ira, after dying from illness at a young age, is reborn into a world just like the strategy simulation game he loved in his past life, “Eternal Nations.” There, what appears before his eyes is a girl, Atou, whom he had used before in the evil civilization he previously subdued in the game, Mynoghra. The two resolve to create a new nation in this world once more.  

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Release that Witch (Novel)

Release that Witch (Novel)

Chen Yan travels through time, only to end up becoming an honorable prince in the Middle Ages of Europe. Yet this world was not quite as simple as he thought. Witches with magical powers abound, and fearsome wars between churches and kingdoms rage throughout the land. Roland, a prince regarded as hopeless by his own father and assigned to the worst fief, spends his time developing a poor and backward town into a strong and modern city, while fighting against his siblings for the throne and absolute control over the kingdom. Join Roland as he befriends and allies with witches and, through fighting and even farming, pushes back invaders from the realm of evil.

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The Reincarnated Prince Becomes an Alchemist and Brings Prosperity to His Country

The Reincarnated Prince Becomes an Alchemist and Brings Prosperity to His Country

Reborn as the third prince of a tiny and insignificant country, Hero happens to learn the forbidden-yet-powerful art of alchemy. Combined with his knowledge from modern-day Japan, Hero's abilities grow beyond what anyone in his world could fathom! With his newly-acquired powers, he’ll bring his country back from the verge of extinction...! A combination of modern-day knowledge and alchemy to turn a weak little country into a prosperous nation!

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The Genius Prince's Guide To Raising a Nation Out of Debt

The Genius Prince's Guide To Raising a Nation Out of Debt

Wein, a young prince, is in charge of the politics in a weak country with no resources, human resources, or troops. Together with a young girl named Ninym, who serves as his aide, Wayne shows his brilliant skills as a politician with a secret wish. "Sell the country and get out of here"! Yes, Wayne's wish was to live a comfortable life in retirement! However, his plan took an unexpected turn when his subjects become to favor him making it difficult to fulfill that wish. The tale of running a weak government and full of unexpected surprises, begins here!

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Tsukimichi: Moonlit Fantasy

Tsukimichi: Moonlit Fantasy

Makoto Misumi was nothing more than a normal high school boy…until he was summoned to another world! What's worse, the one and only goddess of this new world seemed to have a problem with his looks, claiming that he's "ugly," before tossing him off into the middle of the Desolate Wilderness, an empty wasteland. Now left to fend for himself and missing humanity very dearly, Makoto, for some odd reason, seemed to only come by monsters! Even the two beautiful women he managed to ally were monsters, one a former dragon and another a spider. What will happen to our hero who's cursed with terrible luck, yet blessed with cheat-level powers...?!

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Isekai Kenkokuki

Isekai Kenkokuki

A hero is reincarnated in a different world. He gather together orphans and starts a farm. Over time as more children arrive, the farm becomes a village. Founding a orphan village in another world.

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The Reformation of the World as Overseen by a Realist Demon King (Light Novel)

The Reformation of the World as Overseen by a Realist Demon King (Light Novel)

By the will of a whimsical goddess, the seventy-second Demon King Astaroth has been reincarnated to rule alongside a chaotic mixture of humans and heroes in another world!

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High School Prodigies Have It Easy Even in Another World!

High School Prodigies Have It Easy Even in Another World!

In Japan, there are seven superhuman highschoolers who are world-class geniuses in various fields ranging from governance to economics and beyond. On one fateful day, these seven wind up in a plane accident and wake up only to find themselves in another world. Finding themselves in a foreign place where magic and beast-people are real, they immediately proceed to panic-or at least that's what would've happened if they were some run of the mill students!! If anything, these seven are actually using their talents to do absolutely ludicrous things so they can go home... "Let's take it easy, because if we really let loose, I'm pretty sure we'll end up destroying this world."

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