Rein, a reincarnated person, has been spending days defeating monsters as an "anti-demon aristocrat" who is responsible for defeating monsters in the remote areas. At the age of 15, he was told to abandon his engagement on the spot when his engagement with the princess, a privilege of the anti-demon aristocrat, was to be announced, and he was also deprived of his status as an anti-demon aristocrat. Rein, who has been estranged not only from the country but also from his father, flies in the sky with the momentum of leaving the royal capital and arrives at a distant village. Rein decides to live in the village where only the girls lived for some reason, and decides to cooperate with the girls to strengthen the village and teach magic to enjoy the freedom that was not available until then. ―― Rein escapes from the black environment and enjoys a fun slow life, but his power affects the world-- !? Become a novelist Pioneer slow life fantasy, opening!