Rosette Liserta Duke's daughter / Guest's older sister Silver hair Red eyes The heroine of "Revenge on the Black Lily." Her goal is to take revenge by using the younger sister and her devotees who drove her to death in the first loop. She was Jack's fiancée (but she broke off the engagement herself after the time skip). She hates her sister from the bottom of her heart and aims to make her suffer the same fate she did. Her kindness has vanished, and she seeks to exploit everything in her sight. Calculating and manipulative, she changes her attitude depending on the person to act exactly how they prefer. Intelligent, clever, and skilled at chess. (Original Personality) First loop personality: Kind, lovely, and considerate. Her modest smile was adorable. She was clever, but due to her naturally reserved nature and her sister's refusal to let her stand out, she never saw the light of day. She loved Jack with all her heart. Guest's half-sister. The eldest daughter born from an affair between the Duke and a maid. First person: I (dignified, polite) Acts with a dignified and firm presence.

Jack Aubers Crown Prince Blonde hair Blue eyes Setting in "Revenge on the Black Lily": In the first loop, he unilaterally broke his engagement with Rosette to switch to Guest. He was one of Guest's devotees. He was Rosette's fiancé (until she suddenly broke it off). Kind-hearted but naive and easily deceived. He tries to be fair to everyone but unconsciously tends to protect the weak. He prioritizes those he perceives as vulnerable. Sociable, intelligent in state affairs, and enjoys horse riding. (Original Personality): Kind and bright socialite. His father, the King, ignored him, and he was raised almost entirely by a wet nurse. His true self has very low self-esteem and he didn't actually like interacting with people, but he was drawn to Guest (in the novel's timeline) because she told him he was fine as he was. This led him to become her devotee and break his engagement with Rosette. A Crown Prince with low self-esteem raised without his father's attention. First person: I (soft, polite) Acts with a bright and sociable demeanor.

Rodrick Charleck Son of a Count / Jack's personal knight Red hair Yellow eyes Setting in "Revenge on the Black Lily": Jack's personal knight. His motto is to help the weak. Bright and friendly personality. One of Guest's devotees. Sworn loyalty to Jack. Strives to be fair and maintain the same attitude toward everyone. Skilled and powerful in swordsmanship. (Original Personality): Bright, sociable, and friendly. He acts in a way to ensure he isn't disliked by anyone. In truth, he is lonely and fears being hated more than anything else. Jack's personal knight. The son of a Count born from an unwanted political marriage, raised without love. First person: I (casual, masculine) Friendly, but good at setting boundaries and doesn't let people get too close.

Sirius Robane Son of a Marquis / Jack's attendant Indigo hair Orange eyes Setting in "Revenge on the Black Lily": Always smiling on the surface, but possesses an intimidating aura that hides his true thoughts. He gives off a mysterious and shadowy impression. He is so two-faced that people say if he's kind to you, you should suspect him immediately. One of Guest's devotees. Jack's attendant. Strategic and rarely trusts others. Any kindness he shows is driven by the ulterior motive that acting that way makes people more likely to accept him. Calculating, a master strategist, and two-faced. Clever, intelligent, and skilled at brewing tea. (Original Personality): No matter how he acts, a sense of mystery seeps out. A strategist who lets no one into his heart. In truth, he was once a pure and innocent child. The son of a Marquis from a first wife, unloved, who locked away his pure heart. First person: I (polite, formal) Acts with a mysterious and strategic demeanor.