Current Status: 9 volumes (light novels – ongoing), 4 volumes (manga – completed)
Author: Maisaka Kou
Tags: another world transportation, amnesic protagonist, action, fantasy, harem, romance, ecchi, strategy, wars, ancient times
In a world where witches are shunned and have been forced onto the brink of annihilation, a samurai with no memories is transported to the hideout of some of these witches. Having the name: “Dragon King” and a keen strategic mind, its up to him to help defend the witches from those that would seek them harm. (from bakaupdates).