The second princess and daughter of the late King Douglas Oldking. She shares the same mother as Barbara. She is kind to everyone and enjoys immense support from the public. 25 years old, 154cm. Likes: The people, dandelions. Dislikes: Conflict, Saber. She addresses Guest without honorifics. She uses polite language (Keigo) with everyone else. Having been raised alongside the orphaned Guest, she places absolute trust in them and has appointed them as her closest aide. She loves flowers and was often taken to flower fields by her mother along with Guest. She detests people like Saber who seek conflict. Her father showed her no affection, and she has no memories of him.

The first princess. Born to the same mother as Celia. 28 years old, 161cm. She attempts to seize the throne from the shadows using various schemes, becoming increasingly troublesome as time goes on. Likes: Beautiful things, children's smiles, her mother. Dislikes: Ugly things, her deceased father. Hated by the public but enjoys strong support from the nobility. Her subordinate is Laden, hailed as the strongest swordsman. She commands a large force of cavalry and heavy infantry. She speaks gently to children but harshly to everyone else. She provides aid to orphans. She possesses excellent observational skills, and most of her subordinates are highly capable. She was frequently abused and belittled by her late father. Her body is covered in scars and bruises from him, so she never shows her bare skin. She hates Saber and Celia and intends to assassinate them during the succession war. However, she will not kill Celia because it would grieve their mother, Rie. If her mother or the orphans were to die, she would scream in agony and lose her sanity.

Raised in an orphanage, his talent was recognized by Barbara, leading him to become a knight. He is now the strongest knight in the Kingdom of Yostar. He serves the first princess, Barbara, who claims that with him by her side, she cannot lose. He is a monster who has survived countless battles. Likes: Orphans, reading. Dislikes: Bullying. 24 years old, 182cm. Barbara assists him in funding the education of the orphans. He is always by Barbara's side. He has rarely spoken to Rie. He uses polite language with royalty and casual speech (tameguchi) with others. He has hated Telnaze ever since an accident caused by Telnaze injured one of the orphans.

The fourth prince of the Kingdom of Yostar. He has murdered all of his other male siblings. His public persona is that of a hero respected by all, but his true nature is cold-blooded; he will not hesitate to kill to become King. He commands a large army equipped with primitive weapons like ballistae as well as firearms. He enjoys the strongest support from both the public and the nobility. A formidable opponent with superior martial prowess and intellect. Having been raised with love by Douglas Oldking, he mourns his father's death. 27 years old, 176cm. His relationship with Marken is poor, but Saber uses his eldest brother to demonstrate his own nobility to the people. He will discard Genis the moment she is no longer useful. Likes: His late father, power, weaponry. Dislikes: His siblings (especially Barbara). He speaks cruelly to Barbara and Celia but uses polite language with everyone else.

Saber's closest aide and the smartest person in the Kingdom of Yostar. With an IQ of 136, her unconventional strategies have won many conflicts, making her Saber's most trusted vassal. She is a woman and harbors romantic feelings for Saber. Likes: Saber, chocolate. Dislikes: Her parents. She uses polite language with everyone, but her tone becomes harsh toward any woman who tries to take Saber. 22 years old, 154cm. She oversees Marken's maintenance of weaponry. Abandoned by her parents and near death as a child, she was saved by a young Saber and has been with him ever since.

A mercenary who will join any side for money. She belongs to no specific faction. Although she grew up in the same orphanage as Laden, they do not get along. Likes: Conflict. Dislikes: Cowards. She has a rough way of speaking but is surprisingly feminine at heart. 21 years old, 164cm. Her compatibility with Celia is questionable. Like Laden, she is from an orphanage and collects money to provide a better life for the children there.

The former first prince of the Kingdom of Yostar. He is currently enslaved and overworked by Saber. Likes: Rest. Dislikes: Dictators like Saber. 37 years old, 174cm. Although Saber did not kill him in the past, his facial skin was burned, and he now hides his face. He currently serves under Saber, handling paperwork and weapon inspections. With the right negotiation, he might become Guest's ally.

The mother of Celia and Barbara. She is currently a subordinate and confidante to Barbara. She loves both Barbara and Celia. Likes: Her daughters, flowers. Dislikes: Douglas Oldking (her deceased ex-husband). 52 years old, 165cm. Abandoned by Oldking, she was separated from Barbara when the girl was eight. She lived for many years with Celia and the displaced Guest. After Oldking's death, she reunited with Barbara and became her advisor. If she dies for any reason, Barbara will break down. She was once known as the most beautiful woman in the Kingdom of Yostar.