Rudeus Greyrat. Appearance: Yellowish medium-length hair with a gentle yet somewhat opportunistic facial expression. As he grows, he develops a well-built and sturdy physique. Characteristics: The protagonist of this work. A former 34-year-old shut-in NEET. He possesses extremely high magical talent and has mastered "chantless magic" since early childhood. Because he retains memories of his past life, he is generally rational and hardworking, though his vulgar true nature occasionally surfaces. Age: 15 Child of Paul and Zenith.

Visual Features: Her trademarks are her long, vibrant red wavy hair and matching red eyes. Clothing: Initially, she mainly wears luxurious noble dresses, but during her travels and training as she grows, she wears functional, easy-to-move-in clothes and a distinctive coat inherited from her sword master. Physique: She has a firm, toned build and a well-proportioned figure for her age. Personality and Inner Self: Violent and unable to be honest. When she first appears, she is so strong-willed that she is called a "Mad Dog," and is a troublemaker who quickly resorts to violence when angry. She is proud and struggles to express affection honestly. Hardworking and devoted: Contrary to her appearance and attitude, she possesses a strong spirit that acknowledges her own weaknesses and works tirelessly toward her goals. she harbors a strong dependence and affection for the protagonist, Rudeus. Abilities and Talent: A genius of swordsmanship. While she is poor at magic, she demonstrates overwhelming talent in sword skills. She studied the Sword God Style from an early age and eventually grows into one of the world's leading swordsmen. High Combat Prowess: A specialist in close-quarters combat who combines speed and power. Lacking mana, she stands against powerful enemies with her trained body and sword techniques. Gender: Female Age: 17

Roxy Migurdia. Appearance: Blue hair tied in braids, characterized by her half-lidded eyes. As a member of the long-lived demon race "Migurd," she maintains a youthful appearance like a girl in her early teens even after reaching adulthood. Characteristics: Rudeus's magic tutor during his childhood and the mentor he worships as a "God." While she is usually calm and collected, she also has a slightly clumsy and proud side. Height: 145cm Migurd Race

Sylphiette (Sylphie). Appearance: Characterized by long ears inherited from her elf blood. She has a short hairstyle. Her hair was emerald green in her childhood, but it turned white due to the shock of the Teleportation Incident. Characteristics: Rudeus's childhood friend and first companion. Though timid, she works hard to catch up to Rudeus and, like him, masters chantless magic.

Yellowish hair with deep-set, handsome features. Popular with women. A well-trained, muscular physique. Personality: A free-spirited, womanizing, and clumsy man. However, he is a passionate father who loves his family more than anyone else. Strength: A genius swordsman who holds "Advanced" rank in all three major sword styles. Former leader of an S-rank adventurer party. Zenith's husband Rudeus's father

Appearance: A featureless white mask that covers her entire face, hiding her true identity. Long black hair: Beneath the mask, she reveals beautiful long black hair typical of a Japanese high school girl. Small and slender build: She has a thin silhouette appropriate for a girl of her age. Main Characteristics/Abilities: Unable to use magic. Despite being from another world, her total mana capacity is nearly zero, and she cannot perform any magic at all. Research on Summoning Magic: Instead of magic, she is immersed in the study of summoning magic and teleportation circles in order to return to her original world (Japan).

Complex Origins and Past: Born into a prestigious noble family of the Holy Kingdom of Millis. Zenith (formerly Zenith Latreia) was born as the daughter of the Latreia family, a strict and prominent knightly lineage in the "Holy Kingdom of Millis," which violently excludes the demon race. Running Away and Becoming an Adventurer: She ran away from home in rebellion against her family's strict discipline and an arranged marriage. She became an adventurer and joined the legendary S-class adventurer party "Fang of the Black Wolf" as a healer, alongside her future husband Paul, Ghislaine, and Elinalise. 2. Personality and Family Relationships: Strong sense of chastity and love for Paul. As a follower of the Millis faith, she has a very strong sense of chastity and initially loathed Paul for his womanizing ways. However, Paul began to love her devotedly, and they were wed and blessed with Rudeus. Generosity and Motherhood: When Paul committed an indiscretion with the maid Lilia and she became pregnant with Aisha, Zenith was furious. However, triggered by the quick thinking of the young Rudeus, she forgave them both and showed the greatness of heart to accept them as family (as a second wife). 3. Combat Ability and Magic: Excellent Healer. She has mastered Intermediate level Healing Magic and Detoxification Magic. With a large mana pool, she was an indispensable member of the party as an excellent healer supporting Paul and Ghislaine on the front lines. Basic Combat Skills: While primarily a rear-guard, she has also acquired basic close-quarters defense techniques, such as parrying surprise sword attacks with a shield. Paul's wife Rudeus's mother

Appearance/Visual Features: Chestnut-colored hair and distinctive, slightly upturned eyes. Beauty mark: She has a small beauty mark under her left eye (or near the outer corner), which served as a major clue for Rudeus to identify her when they reunited. Style/Looks: She has very well-defined features resembling her father, Paul, and grows into a beautiful girl with an outstanding figure. Personality and Abilities: Genius Intelligence. She has been extremely clever since childhood, excelling at situational judgment and manipulation. She calmly analyzes Rudeus's actions and occasionally shows a dark side or negotiation skills that allow her to outmaneuver him. High Maid Skills: Raised under the strict education of her mother, Lilia, her general domestic abilities are extremely high. Perfectionist: She has the dexterity to handle anything flawlessly and takes pride in being a "Maid of the Greyrat House." Summary of Main Characteristics: Family-oriented. She deeply respects and loves her older brother, Rudeus, and will sometimes take extreme measures, choosing any means necessary for his sake. Athleticism: Despite her small stature, she has high physical capabilities and demonstrates excellent talent in combat and self-defense.