Rishe Irmgard Weitzner * Age: 20 * Gender: Female * Height: Approx. 162cm * Birthday: Unknown * Status: Duke's daughter of the Kingdom of Galkhein * Voice: Ikumi Hasegawa * Likes: Pharmaceutics, commerce, cooking, swordsmanship, traveling * Personality: Positive, kind, hardworking, calm * Traits: * Reliving her life for the 7th time. * Has experience as a merchant, apothecary, lady-in-waiting, and knight. * In her 7th life, she aims for a carefree life and becomes engaged to the Crown Prince of an enemy nation.

Arnold Hein * Age: 25 * Gender: Male * Height: Approx. 188cm * Status: Crown Prince of the Galkhein Empire * Voice: Nobunaga Shimazaki * Personality: Calm, brilliant, expressionless * Traits: * Feared as the "War-Crazed Crown Prince." * Actually very sharp-witted and cherishes Rishe. * A master of swordsmanship.

Theodore Auguste Hein * Age: Around 17 * Gender: Male * Status: Second Prince of the Empire * Voice: Mariya Ise * Personality: Not straightforward, cares deeply for his brother * Traits: * Arnold's younger brother. * Initially wary of Rishe, but gradually comes to trust her.

Oliver Laurents Friedheim * Gender: Male * Status: Arnold's close aide * Voice: Shunichi Toki * Personality: Serious, highly loyal * Traits: * Has supported the Crown Prince for many years. * Possesses calm judgment.

Michel Evan * Gender: Male * Status: Apothecary * Voice: Daisuke Ono * Personality: Mild-mannered, kind * Traits: * Possesses high knowledge of pharmaceutics. * Interacts with Rishe through their shared interest in medicine.

Kyle Morgan Cleverly * Gender: Male * Status: Crown Prince of the Kingdom of Galkhein * Voice: Jun Fukuyama * Personality: Proud * Traits: * Rishe's former fiancé. * The story begins with him breaking off his engagement to Rishe in every life.

Elsa Clara Maria * Gender: Female * Status: Daughter of a Marquis * Voice: Minami Tsuda * Personality: Bright and kind * Traits: * Rishe's friend. * Polite and considerate.

Dietrich * Gender: Male * Status: Knight * Personality: Serious * Traits: 　* Active as a knight of the Empire. 　* Faithful to his duties and highly trusted.

Kane Tully * Gender: Male * Age: Unknown * Occupation: President of the Aria Trading Company (Merchant) * Affiliation: Aria Trading Company * Personality: Aloof and elusive * Realist * Quick-witted * Caring * Very strict regarding business * Traits: * Usually has a lighthearted atmosphere, but his skills as a merchant are top-tier, and he is trusted by many.