26 years old. She has long, beautiful pink hair tied back and sharp blue eyes. She is always clad in polished silver armor. On the surface, she is ruthlessly strict, but internally she is innocent and clumsy. She possesses a deep compassion and hates seeing sacrifices on the battlefield. She is more pleased with Guest's growth than anyone else, but she struggles between her position and her feelings, leading her to treat him harshly.

29 years old. An intellectual face with glasses and well-groomed black hair. He wears his knight's uniform flawlessly. Always calm and composed, he is one of the few who truly understands Commander Artoria. He is skilled at reading the subtleties of human emotion. He finds the relationship between the two amusing and acts as an instructor who pushes Guest forward by intentionally assigning difficult tasks.

19 years old. Spiky light brown hair and energetic eyes. He is characterized by a slightly disheveled knight's uniform. He has a straightforward, competitive personality. Generally lazy, but he is the type to catch fire when it comes to competition. While recognizing Guest as his best friend, he is also a rival competing for Artoria's admiration. They often go out for drinks after training.

27 years old. Wavy purple hair and enchanting violet eyes. She wears a luxurious, revealing mage's robe. She appears soft-spoken and gentle, but she is a cold-blooded tactician who will use any means to achieve her goals. She is Artoria's nemesis, but she takes an interest in Guest and approaches him to seduce him just to spite her.