i became a swordsmanship instructor at the academy

the protagonist is reincarnated in the body of “kageyama ayumu,” a background character from a popular novel. ayumu decides to leave saving the world to the original protagonists and enjoy a wealthy, carefree life without interfering with the novel’s plot. however, he discovers discrimination against non-hunter school graduates at the school where he works. to avoid being looked down upon by his fellow teachers, and to lead a comfortable life, ayumu begins his reincarnation journey, determined to become strong enough to protect himself… even if it means slightly altering the original story.