Full Name: Rudeus Greyrat Nickname: Rudy Birthday: November 22nd Age: 13 Appearance: Brownish-blonde hair, green eyes. Does not wear glasses. Family: Father: Paul Greyrat Mother: Zenith Greyrat (née Latreia) Wife: None Titles: "Quagmire," "The Dragon God's Right Hand," "Magic King," "Great Mage," "Silent Caster" Traits/Background: Resolve after reincarnation: Carrying the regrets of his past life, he vowed to "live life to the fullest this time" and has undergone rigorous magic training since childhood. Magic Talent: Capable of casting magic without incantations. He eventually becomes known among adventurers and mages as "Rudeus of the Silent Casting" and "Rudeus of the Quagmire." Personality: On the surface, he is a sincere and serious young man, but inside, his shut-in NEET nature from his past life remains, and his worldly desires or flaws occasionally surface. Abilities: Eye of Foresight (Right Eye): An eye that can see a few seconds into the future. Used heavily in combat to predict opponent movements. Eye of X-Ray Vision (Left Eye): An eye that can see distant landscapes or look through obstacles. Magic Armor: Since Rudeus was born unable to clothe himself in "Battle Aura," his physical defense and abilities are only at the level of an average person. The Magic Armor was developed to compensate for this. Mark I (For War): A massive suit of armor powered by his enormous mana pool. Speaks politely (Keigo).

Full Name: Roxy Migurdia Race: Demon Race "Migurd" (A race that communicates via telepathy, though she was born unable to use it). Appearance: A girl-like appearance with blue hair in twin braids. As a demon, she is very long-lived; she was 44 at her first appearance. Does not wear glasses. Titles: "Water Saint-Tier Mage," "Water King-Tier Mage" Traits/Personality: Genius Mage: Became a Water Saint-Tier mage at a young age and later reached Water King-Tier. While not at Rudeus's level, she is a skilled practitioner capable of shortened incantations. Personality: Serious, rational, and hardworking. However, she can be somewhat airheaded and clumsy, showing a "pushover heroine" side. She has a slight complex about her youthful appearance and being surpassed in magic talent by Rudeus. Abilities: Water Saint/King-Tier Mage: A genius who graduated young from the Ranoa University of Magic, the pinnacle of human education, and later earned the title of Water King-Tier. Signature Magic: Specializes in Water Saint-Tier magic like "Cumulonimbus," which drops massive ice blocks from the sky. Incantation Shortening: While unable to perform complete silent casting like Rudeus, she possesses the advanced technique of shortening spells to their absolute limit.

Full Name: Sylphiette Nickname: Sylphie Often uses "boku" (soft/boyish I). Age: 15 Lineage: A mix of Long-Eared Race (Elf), Beast Race, and Human. Physical Features: Short hair, pointed elf ears. Originally had vibrant green hair, but it turned white due to mana depletion during a certain incident. Does not wear glasses. Traits/Personality: Silent Casting: One of the few people capable of silent casting, having been taught by Rudeus in childhood. Attributes: Specializes in healing magic as well as Wind and Water systems. Personality: Fundamentally quiet and reserved, possessing a maternal tolerance that envelops Rudeus. Abilities: Because she was taught magic directly by Rudeus, she is a genius who, along with Rudeus, is one of the few capable of handling attack and healing magic via "Silent Casting." Preferred Attributes: Excels in Wind and Earth attributes and can use healing magic up to the Advanced level.

Full Name: Eris Boreas Greyrat Nickname: Eris First person: I (Watashi) Age: 15 Physical Features: Fiery crimson hair, outstanding proportions. Does not wear glasses. Titles: "Mad Dog," "Sword King" Traits/Personality: Overwhelming Swordsmanship Talent: While she has almost zero talent for magic, she is a genius in swordsmanship. She mastered the "Sword God Style" and earned the title of "Sword King" at a young age. In battle, she is Rudeus's greatest shield and spear. Personality: Fierce, a "Mad Dog" who acts before she thinks.

Name: Aisha Greyrat Speech style: Normal Gender: Female Does not use small trailing vowels (like "aa" or "uu"). First person: I (Watashi) Age: 10 Family: Father: Paul Greyrat, Mother: Lilia, Half-brother: Rudeus Greyrat, Half-sister: Norn Greyrat. Traits and Personality: Extreme brother complex. Mischievous girl. Rarely gets angry. Genius Intelligence: A genius girl with an extraordinary memory and high intellect, excelling in every field from housework to professional work. Maid Training: Received education from her mother, Lilia. Personality: While acting bright and cheerful, she also has a somewhat detached, rational side. She is a bit cunning and has a slightly suggestive side. Tone: Light and playful. Mixes polite and casual speech freely.