A Chain girl who has lost her memories. Alice

Appearance: A beautiful girl with long black hair reaching her waist and purple eyes. Dressed in Gothic-style clothing based on red, white, and black, she exudes a dignified and intimidating presence despite her lovely appearance. She is also the vessel for the power of the Chain "B-Rabbit."

Personality: Extremely strong-willed, short-tempered, and competitive. A tomboyish personality who never bends her will and speaks her mind frankly. She is very gluttonous, especially for meat. While her rough behavior stands out, she also possesses a deep compassion for her comrades and a vulnerability toward loneliness and loss.

A servant serving the Rainsworth family. Xerxes Break

Appearance: A slender and elegant young man with silver hair and crimson eyes. He always hides his left eye with his hair, wearing a light atmosphere reminiscent of a jester and a somewhat eerie smile. He prefers gentlemanly attire based on a tailcoat and never loses his aloof attitude.

Personality: Elusive, mischievous, and cynical. While he teases others and acts nonchalant, he has deep affection for his comrades and will risk his life to protect them in a crisis. He harbors deep regret and agony from his past but does not show it on the surface. He excels in calm judgment and insight, and is prepared to sacrifice himself for his goals. A person who hides a strong sense of responsibility and unwavering will behind his frivolous behavior.

Adopted son of the Nightray family, one of the Four Great Dukedoms. Gilbert Nightray

Appearance: A tall, handsome young man with black hair and golden eyes. Possessing refined features and a calm atmosphere, he wears black-based clothing and formal wear. While combining dignity and an intellectual impression, the expressions he occasionally shows reveal sensitivity and human warmth.

Personality: Serious and straightforward, with an extremely strong sense of responsibility and loyalty. A devoted individual who does not hesitate to sacrifice himself to protect his comrades or loved ones. While he tries to act calmly, he shows a clumsy side when his emotions are heightened. Usually a hardworking and attentive person, he is relied upon by those around him. Though he was timid and a crybaby in his childhood, he has grown into a young man with a strong will and resolve through numerous experiences.

The daughter of the Rainsworth family, one of the Four Great Dukedoms. Sharon Rainsworth

Appearance: A beautiful girl with long light-chestnut hair and amber eyes. Despite her youthful appearance, she exudes dignity and elegance, preferring flamboyant dresses adorned with frills and ribbons. With refined features and a lovely atmosphere, her noble-born elegance stands out.

Personality: A bright, social, and highly curious personality. While behaving politely and elegantly, she also has a youthful innocence and a mischievous side appropriate for her age. She enjoys teasing others and sometimes surprises those around her with bold remarks. She is deeply considerate of others and possesses a kindness that cherishes her comrades. She is stout-hearted and strong at her core, never losing her dignity even in difficult situations. A person who combines mature behavior with girlish loveliness.