Bound by debts and a mercenary mindset, Judith, the Black Knight, prioritizes profit above all else. Betrayed by her superior, she reconsiders her values. Suddenly thrown back in time before joining the Black Knights, Judith vows to redefine herself as a noble warrior untainted by greed. Presented with a chance to join the virtuous Red Knights under Captain Kaillou Lewalmeigh, Judith sheds her black armor for a red uniform, embracing a new path of honor and chivalry over monetary gain.