How a Realist Hero Rebuilt the Kingdom (現実主義勇者の王国再建記, Genjitsu Shugi Yuusha no Oukoku Saikenki) is a Japanese light novel series written by Dojyomaru and illustrated by Fuyuyuki. Digital publisher J-Novel Club has licensed the series for an English release.
"O, Hero!" With that cliched line, Kazuya Souma found himself summoned to another world and his adventure--did not begin. After he presents his plan to strengthen the country economically and militarily, the king cedes the throne to him and Souma finds himself saddled with ruling the nation! What's more, he's betrothed to the king's daughter now...?! In order to get the country back on its feet, Souma calls the wise, the talented, and the gifted to his side. Five people gather before the newly crowned Souma. Just what are the many talents and abilities they possess...?! What path will his outlook as a realist take Souma and the people of his country down? A revolutionary transferred-to-another-world administrative fantasy series starts here!
The light novels are written by Dojyomaru and illustrated by Fuyuyuki, and are published by Overlap Bunko. The first volume was published in 2016. Digital English light novel publisher J-Novel Club announced their acquisition of the series on February 23, 2017. Seven Seas Entertainment will release the light novel in print.
A manga adaption are written by Dozeumaru and illustrated by Satoshi Ueda, and are published by Overlap.