Muramatsu Mayu

Shinichi Sagara, or Shin, works in a corporate sweatshop when he's swept up in an off-world transport meant to bring heroes. Transported to the Kingdom of Tondemo, where they exploit these off-world heroes' abilities, Shin's quick to sense something amiss and flees to another kingdom to begin a happy idle life in a mountain village. One day, Shin meets a nobleman that's locked up in a remote part of a lord's mansion. Will this completely change that quiet life in the countryside?! (Source: Alpha Manga)

Minato is a college student who died in a plane crash and was reincarnated in a fantasy world. He was raised alone in the wilderness by his succubus mother, and now he tries to make his way as an adventurer.

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.