Monogatari ni Issai Kankeinai Type no Kyoukyara ni Tensei Shimashita

A player who spent years mastering a Japanese RPG finds themselves reborn inside the game's world as Lux, a character not previously referenced in the game's dialogue. Lux appears as a weary salaryman and possesses overwhelming power that could disrupt the game's balance. Despite efforts to remain uninvolved and avoid altering the established plot, the player ends up rescuing characters fated to die and gaining the approval of the final boss more than the main hero. The situation raises the question of how an unintentionally powerful outsider is navigating this unexpected adventure in a fantasy world.