Dozeumaru

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 entire nation! What more, he betrothed to the king daughter now?! In order to get the country back…

In a world where the Demon King had taken over a fifth of the land. Souma Kazuya (Soma) was summoned to that world as a hero, but the king took a liking to his rich country strong army proposal and somehow handed him the throne. Soma, who had the throne forced upon him, forewent adventure, and together with the talented companions he gathered, went about his nation-building…