The second season for How a Realist Hero Rebuilt the Kingdom will premiere in January as part of the Winter 2022 anime season.

How a Realist Hero Rebuilt the Kingdom is originally a novel series by the writer Dojyomaru, and published by Shosetsuka ni Naro, and later Pixiv. The novel began in 2015, and was followed by a light novel and manga adaptation in 2016 and 2017 respectively.

A new trailer for the series can be found below.

Kazuya Souma is an average contemporary youth who gets summoned to another world facing the threat of a Demon Lord. Having no real combat experience, he impresses the king with his modern knowledge of agriculture, infrastructure, and logistics.

You can read the plot summary from the official site below.

One day, Kazuya Soma, who lost his grandfather, his only relative, is suddenly summoned to another world as a hero.
His destination is the Kingdom of Elfrieden, just like in medieval Europe.
Soma is not a brave man, he is just an ordinary young man, but his rational mind and modern knowledge make him a hero.
One after the other, the kingdom’s tilted fiscal and political system is rebuilt through a series of new policies.
Soma’s companions include Lysia, princess of Elfrieden Kingdom, Ayesha, the most warlike dark elf in the kingdom, Hakuya with her clever mind, Poncho, the gluttonous Poncho, Juna, the diva, and Tomoe, a girl who can communicate with animals.
The otherworldly internal politics fantasy, “[How a Realist Hero Rebuilt the Kingdom]” is about rebuilding a kingdom in distress with modern knowledge. Now it’s time to start!

Translation: DeepL [Adjusted]