Hazure Bushou 'Shinchou Ieyasu' to Elf no Oujo ni Yoru Isekai Tenka Touitsuchou

is a Japanese light novel series written by Mikage Kasuga, with illustrations by ainezu. The series began publication on September 17, 2021 by ASCII Media Works under their Shin Dengeki Bungei publishing imprint.

Synopsis
Ieyasu Tokugawa, a world-renowned man. I thought that I was dying after eating tempura, but for a moment I realized that I was reincarnated in a strange world with my 20-year-old body !?

Moreover, by saving the elf princess Serafina from a human thug, she was appointed as a hero of the "elf forest" on the verge of extinction. A small-minded person, a saver, just wait until the enemy dies without fighting. Ieyasu, who is not a hero, begins to gather human resources who are likely to be useful because of his anxiety in the "Elf Forest". Raise funds for the dark elf of the guardian. For dwarves digging holes, make hydraulic work and make loopholes. In the end, even the assassin clan was appointed to control the information warfare. Ieyasu was reforming the "Elf Forest" to the level of the Tokugawa Shogunate.

The era of Ieyasu's image of a raccoon dog is over !? A different world unified story presented by a super cheat young Ieyasu x innocent elf princess who has the experience of a raccoon dog.