Grey Heritage Noble Duty is an anime style tactical RPG that serves as a prequel to Grey Heritage: Faded Vision, offering an accessible start for newcomers and a deep level for genre veterans. Set in a medieval fantasy world in 755, the game follows Jaden Rickard, Lord of Astraea, branded a traitor for abandoning his post during Emperor Augustus' invasion of Kalista. Players must guide Jaden across the war-torn continent to recruit allies from neighboring countries and restore his honor while fulfilling his noble obligations.