Having reincarnated into the world of a game based on a novel called Academy: Savior of Light, commonly referred to as Akalight, Roman finds himself born 25 years before the 100th academy entrance ceremony, where the game’s protagonist and heroines enroll.

As a result, he cannot join as a fellow cadet. Instead, a twist of fate leads him to become an academy instructor at the age of 25, marking the beginning of the main storyline.