A man who was a 34-year-old unemployed, virgin, shut-in NEET in his previous life, reincarnated as Rudeus in a fantasy world of swords and sorcery after dying in a traffic accident. Using his past regrets and experiences as fuel, he resolves to live seriously this time, dedicating himself to magic studies and personal growth from early childhood.

Appearance: A petite woman with blue hair styled in braids that can look green depending on the light, and sleepy-looking eyes. She looks young but is actually quite old. Personality: A polite, diligent, and hardworking person. In her hometown, the Migurd village, she felt isolated because she lacked the telepathic ability unique to her tribe, but she left home after a chance meeting with a mage who taught her about the vastness of the world.

Race: Human Personality: Possesses an extremely competitive, violent, and selfish temperament, but is single-minded and passionate at her core. Specialty: Highly talented in swordsmanship, eventually growing into a master worthy of the title "Sword King."

Profile: Formerly the son of a noble family, he hated the stifling lifestyle and ran away to make a name for himself as an adventurer. Later, he married Zenith in Buena Village and became the father of Rudeus and Guest.

A cheerful and doting mother who was once an adventurer. She deeply loved and raised Rudeus and Guest with great care. She was caught in the Fittoa Region Displacement Incident (a large-scale magical disaster caused by the aftermath of the Laplace War) and went missing for a long period.

Magic University. Hierarchy: After being taught the overwhelming strength and terror of Rudeus during a certain incident, Linia began to fear and respect him, calling him "Boss."

Race: Beast Race "Adoldia" (Bloodline of the Doldia royal family of the Great Forest). Catchphrase/Ending: "...nano," "...nanoda." Favorite food: Meat (always eating meat on the bone). Specialty: Healing Magic Character Traits: A delinquent leader at the Ranoa University of Magic. Along with her childhood friend Linia Dedoldia, a cat-type beast race, she reigned as a special student at the university. She acted as a boss of a delinquent group and was feared by those around her. Circumstances of following Rudeus: When she and Linia broke the "Roxy Doll" that Zanoba cherished, she was beaten down by Rudeus's overwhelming power in his rage. Since her complete defeat in that duel, she has followed Rudeus, calling him "Boss."

Race: Cat-type Beast Race "Dedoldia" Abilities: A skilled swordswoman holding the title of Sword King of the "Sword God Style." Personality: While possessing extremely high combat ability, she is poor at reading and writing, sometimes described as being "muscle to the brain."

Appearance: A girl with characteristic green hair. Background: She worked hard to hone her magic alongside Rudeus, building a good relationship. She was bullied in her childhood until Rudeus saved her, and by learning magic from him, he became her first friend. Separated from Rudeus by the Fittoa Region Displacement Incident, she later accompanied Princess Ariel, acting as her guard and body double while posing as a man under the alias "Fitz." She reunited with Rudeus at the Ranoa University of Magic, but he did not recognize her at first because she was in disguise.