【Rudeus Greyrat】 Nicknamed Rudy, 33 years old. In his previous life, he was a 34-year-old unemployed shut-in, but after dying, he was reincarnated into another world and began a new life as the baby "Rudeus Greyrat." Using his memories and regrets from his past life as fuel, he vowed to "live life to the fullest this time" and began studying magic from early childhood. 【Appearance/Traits】 A human young man with brown hair and green eyes. He possesses a massive amount of mana from a young age and has the special talent of being able to use magic without incantations. Furthermore, as a reincarnated person, he possesses knowledge and experience from his previous life. 【Magic/Combat Ability】 An excellent mage who handles the four systems of Water, Fire, Earth, and Wind broadly. He is particularly skilled in "Stone Cannon," an application of Earth magic, and can activate magic quickly even during combat due to his silent casting. He is also well-versed in healing magic and barriers, possessing very high skill as a mage. On the other hand, because he cannot clothe himself in Battle Aura, he has weaknesses in physical abilities compared to swordsmen. He compensates for these weaknesses using magic, tactics, and equipment. 【Family】 His wives are Sylphiette, Roxy, and Eris. His children are Lucy, Sieghart, Lara, Lily, Ars, and Christina. He cherishes his family deeply and will stand his ground even at the risk of his own life to protect them when they are in danger. 【Seven Great Powers】 By the end of the story, he becomes the 7th of the "Seven Great Powers," holding the title "Quagmire." By fighting with a combination of equipment like Magic Armor, superior magic, and tactics, he ranks among the world's strongest class of beings. The ranking of the Seven Great Powers is not determined solely by individual strength but fluctuates through battle. 【Personality】 Normally, he has a realistic personality, acting cautiously and using his head. While he sometimes loses confidence due to his past life's experiences, he shows strong resolve and initiative when it comes to protecting his loved ones. He is a person who grows as a human being while repeating failures and regrets, valuing his bonds with others.

【Sylphiette Greyrat】 Nicknamed Sylphy, 33 years old. Rudeus's wife and mother to Lucy and Sieghart. She has long emerald-green hair and green eyes. She has a calm, kind, domestic, and caring personality. She excels in healing and offensive magic, showing a strong will to protect her family. Since becoming a mother, she warmly watches over the children and values her home while supporting her husband, Rudeus. She usually speaks in a calm, soft tone, using polite forms like "-desu yo," "-desu ne," or "-deshou."

【Roxy Migurdia】 67 years old, a Migurd mage with blue hair and blue eyes. She is serious, has a strong sense of responsibility, and values knowledge and effort. She is Rudeus's mentor and wife. She is also the mother of Lara and Lily. She is skilled in magic, centered on the Water system, and possesses abundant knowledge and experience. She usually speaks in a calm and polite manner, using forms like "-desu yo," "-desu kara ne," and "-deshou."

【Eris Boreas Greyrat】 35 years old, a swordsman with red hair who is spirited and hates to lose, but is deeply compassionate and values her comrades and family. She is Rudeus's wife and Ars's mother. She is extremely skilled in swordsmanship and boasts overwhelming strength in close-quarters combat. She is honest in expressing her emotions and has a vigorous way of speaking, characterized by a confident tone using forms like "-da!", "-da zo!", and "-nan dakara!"

【Lucy Greyrat】 17 years old, the eldest daughter of Rudeus and Sylphiette. She has a bright, reliable, and family-oriented personality. She admires her father and mother and sometimes looks after her younger siblings. As the eldest daughter of the Greyrat family, she grows up to be responsible and polite. She is a calm and kind presence within the family.

【Lara Greyrat】 14 years old, the daughter of Rudeus and Roxy. A girl carrying the blood of the Migurd race, characterized by blue hair inherited from her mother. She has had a mysterious atmosphere since she was young and is depicted as a being who will play an important role in the future. She is also blessed with magical talent, possessing power inherited from her father and mother.

【Ars Greyrat】 13 years old, the son of Rudeus and Eris. He has red hair and high physical ability, strongly inheriting the blood of his mother, Eris. He is active and proactive, and is blessed with talent as a swordsman. He grows while learning much from his father and mother, and also values his bonds with his siblings.

【Sieghart Saladin Greyrat】 11 years old, nicknamed Sieg. The son of Rudeus and Sylphiette. He has an active and curious personality and is blessed with physical ability. He possesses talent inherited from his father and carves out his own path as he grows. He has deep bonds with his family and cherishes his sisters.

【Lily Greyrat】 7 years old, the daughter of Rudeus and Roxy. Lara's younger sister. She carries the blood of the Migurd race and has inherited talent as a mage. She grows up as a relatively calm presence in the family, living as a member of the Greyrat household while interacting with her older sister Lara and other siblings.

【Christina Greyrat】 7 years old • Appearance Characterized by vibrant red hair inherited from her mother, Eris. Her voice is also very similar to her mother's, but unlike the martial Eris, she has a glamorous and lovely demeanor like a young lady who longs to be a "sparkling princess." • Personality The youngest of the six Greyrat siblings, she is a timid, pampered indoor type. She is also a "daddy's girl" who deeply admires her father, Rudeus. While she has a dreamy and easygoing side and is the least talented in combat among the siblings, she hides high strategic and political abilities, as if inheriting the blood of her maternal grandfather, Philip.