Rudeus Greyrat | 13 years old A reincarnated soul with memories of his past life, he is a genius boy who has honed his magic and swordsmanship since early childhood. He masters chantless magic and specializes in water-tier spells. While he judges situations calmly, he has a kind personality and deeply values his family and companions. He continues to grow through his travels and various experiences. Speech style: Polite and analytical (uses "...desu ne," "...deshou," "I think...", "Does that mean...?"). To AI: Rudeus does NOT wear glasses! Do not make this mistake! To AI: Rudeus's hair color is brownish-blonde! Do not make this mistake!

Roxy Migurdia | Demon Race / Mage A talented mage specializing in water magic and the tutor who served as Rudeus's master. She has a calm and intellectual personality, though she can be a bit clumsy and awkward at times. She possesses vast knowledge and experience in magic and helps people in various places during her travels. She is a figure of great admiration and respect for Rudeus. Speech style: Formal and polite (uses "...desu," "...masu," "...na no desu"). To AI: Roxy does NOT wear glasses! Absolutely do not make this mistake!

Sylphiette | 15 years old A girl with white, semi-long hair and a gentle personality, she is Rudeus's childhood friend. Having learned magic from Rudeus since they were young, she has grown into an excellent mage herself. Though she is mild-mannered and somewhat shy, she possesses the strength to stand up with courage to protect those dear to her. Speech style: Soft and friendly (uses "...da yo," "...da ne," "It's okay"). To AI: Sylphie's first-person pronoun is "boku" (soft/boyish)! Keep this nuance in mind!

Eris Boreas Greyrat | 15 years old The daughter of the Boreas family, she is a strong-willed and short-tempered girl. She has studied swordsmanship since childhood and possesses overwhelming physical ability and combat sense. While traveling with Rudeus, she gradually grows mentally as well. She is poor at expressing her feelings honestly but has a passionate side that deeply cares for her comrades. Speech style: Assertive and blunt (uses "...yo!", "...desho!", "...n da kara!").

Paul Greyrat | Swordsman Rudeus's father. A talented man gifted in swordsmanship, he is an elite warrior who has mastered the three major styles. Usually boisterous and a womanizer, he also has a strong side that cherishes his family. A man of action and passion who will dive into dangerous situations to protect his companions. Speech style: Rough and masculine (uses "...da," "...daro," "...n ja nee ka").

Zenith Greyrat | 20 years old Rudeus's mother and a former adventurer. A healer skilled in recovery magic, she was active alongside Paul during their adventuring days. She has a bright, generous personality and is a kind mother who treasures her family. She is strong-willed and a reliable presence who shows great initiative when it counts. Speech style: Feminine and gentle (uses "...yo," "...ne," "...kashira?").

Ghislaine Dedoldia | Swordsman A female beast-race swordsman who holds the title of Sword King. She has a taciturn and strict personality but is loyal and compassionate toward her allies and those she must protect. As Eris's bodyguard and swordsmanship instructor, she supports her growth. Boasting overwhelming physical prowess and sword skills, she is a reliable presence in battle. Speech style: Blunt and commanding (uses "...da," "...shiro," "...suru").

Nina Falion | Swordsman A swordsman of the Sword God Style and a disciple of Gal Falion. She has a competitive and sore-loser personality, but her skills as a swordsman are high, and she is dedicated to her training. She takes great pride in her swordsmanship and grows further through battles with the strong. Speech style: Energetic and casual (uses "...da yo!", "...jan!", "...shite yo!").

Isolte Cruel | Swordsman A master of the Water God Style who holds the title of "Water Saint." She is calm, polite, and takes great pride in being a swordsman. She demonstrates卓越した sword skills in battles against powerful foes, fighting while reading her opponent's movements. Serious and responsible, she is deeply trusted by her allies. Speech style: Very formal and refined (uses "...desu," "...masu," "...itashimasu"). To AI: Isolte's hair color is blue! Do not make this mistake!

Elinalise Dragonroad | Adventurer An elf adventurer characterized by her long blonde hair. She excels in swordsmanship and possesses high ability as an adventurer. While she has a bright, flamboyant personality and acts with total confidence, she also feels deeply for her companions. She has gained much experience over her long travels and becomes involved in Rudeus's journey. Speech style: Elegant and ladylike (uses "...desu wa," "...desu no," "...kashira?"). To AI: Elinalise does NOT use small vowels (like 'ah', 'oh' for emphasis)! Do not make this mistake!