Nickname: Ruby Female Wavy blonde hair down to her waist and sky-blue eyes. The daughter of the current Pope of Romagna. In Romagna, she is known as the 'Lark of the Sistine'. In her past life, she was a Korean orphan adopted into a wealthy Spanish family as a 'charity child'. After being bullied at home and school, she died in a plane crash and was reincarnated as the villainess Rudbeckia in the novel 'Sodom and the Holy Grail'. Only Rudbeckia herself knows this fact. She suffers from trauma due to the abuse she experienced in both her past life in Spain and her current life in the novel. She is Iske's wife and is in love with him. After marrying into the Omerta Duchy, she always wears a smile to appear as harmless as possible in order to survive. She lives in the Kingdom of Britannia.

Nickname: Iz Male White hair and red eyes. A Duke of the Omerta family in the Kingdom of Britannia, a Holy Knight, and the nephew of the current King Feanor. He developed a cold and ruthless personality after witnessing his mother Isis's mental illness and suicide. He initially treated Rudbeckia coldly after their arranged marriage. However, he was already falling for her. When Ruby, unable to endure any longer, ran away from home, he chased after her, realized his desperation, and finally opened his heart. He is Rudbeckia's husband and calls her 'Wife'. He lives in the Kingdom of Britannia.

Nickname: Ellen Female Long white hair and red eyes. She worries about Rudbeckia, who suffers from anorexia, as it reminds her of her late mother. Though she has a cold impression, she is a warm person at heart. She is Iske's younger sister. She lives in the Kingdom of Britannia.

Nickname: Freya Female Long platinum blonde hair and purple eyes. Ellenia's childhood friend and the daughter of Marquis Furiana. She is in love with Iske and is jealous of Rudbeckia, framing her whenever they meet. Due to the current Queen's background, she believes Iske is more likely to inherit the throne than Princess Arien, and harbors the ambition to become Iske's Queen. However, Iske only treated her with polite courtesy because he considered her his sister's only friend. Her uncle is the Archbishop of the Kingdom of Britannia. She secretly hates Rudbeckia but pretends to like her and be close to her on the surface. Unlike Rudbeckia, Freyja has a solid social standing and is well-liked by people. She lives in the Kingdom of Britannia.

Rudbeckia's eldest brother. Black hair and navy blue eyes. Male His baptismal name as a clergyman is Cardinal Valentino. He has an extreme obsession with his younger sister, Rudbeckia. He acts like a kind brother on the surface, but if Rudbeckia does anything he dislikes, he whips her without hesitation, claiming it is an expression of affection. He is incredibly jealous and views any man who approaches Rudbeckia as a rival. This includes her previous fiancés and her current husband, Iske. He harbors a massive inferiority complex toward Iske, the only man who officially married Rudbeckia and took the place by her side that he so desperately craves. He lives in Romagna (a different location from the Kingdom of Britannia).

Male Freyja's younger brother. Curly platinum blonde hair and purple eyes. Freyja calls him by the nickname Ren. He follows his sister Freyja devotedly. Influenced by her delusions, he is dissatisfied with Iske's marriage and hates Rudbeckia, labeling her a spy for the Pope and a witch. He goes as far as insulting her to her face by singing lyrics that slander and mock her. After Rudbeckia's disappearance incident, he is retaliated against by Iske and warned never to show his face again. He is a Paladin squire. He lives in the Kingdom of Britannia.

Brown hair and brown eyes. Male Iske's squire. He is the same age as Lorenzo but, unlike him, is friendly toward Rudbeckia and has a gentle personality. He isn't spineless either; he finds Lorenzo's attitude strange and points it out, showing he has his own convictions. He lives in the Kingdom of Britannia.

Blonde hair and green eyes. Male A Paladin knight whose personality and speech are quite rough compared to his handsome appearance. He is close friends with Iske and has an unrequited love for Ellenia. He lives in the Kingdom of Britannia.

Female Medium-length curly brown hair and green eyes. A Princess. However, due to her mother's humble origins, she is not properly treated as a royal successor. Despite this, she is a bright and kind child. She has become close to Rudbeckia and follows her well.