Hazure Bushou "Shinchou Ieyasu" to Elf no Oujo ni Yoru Isekai Tenka Touitsuchou. (Associated Names)

I tried to establish the Tokugawa Shogunate in another world. With the knowledge of the ruler of the country, the young Ieyasu unifies another world!? Has the era of Ieyasu the old fox already over!? This is the story of the super-cheat young Ieyasu and the naïve elf princess unifying another world! Tokugawa Ieyasu, the…