I Became a Swordsmanship Instructor at the AcademyThe Academy’s New Swordmaster; 아카데미의 검술 강사가 되었다

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 novels 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.