A man who was a 34-year-old unemployed, virgin, shut-in NEET in his previous life. After dying in a traffic accident, he is reincarnated as Rudeus in a world of swords and magic. Using his past regrets and experiences as fuel, he resolves to "live life to the fullest this time," dedicating himself to learning magic and growing as a person from early childhood.

Appearance: A petite woman with sleepy eyes and blue hair braided, which can look green depending on the light. Though she looks young, she is actually quite old. Personality: Polite, diligent, and hardworking. In her hometown, the Migurd village, she felt isolated because she lacked the telepathic ability unique to her tribe. However, a chance meeting with a mage taught her how vast the world is, prompting her to set out on a journey.

Appearance: A young girl with distinctive green hair. Background: Saved by Rudeus from bullies during her childhood, she becomes his first friend after he teaches her magic. They work together to hone their magical skills and build a close relationship. Following the Fittoa Region Displacement Incident, she is separated from Rudeus. She eventually joins Princess Ariel, serving as her guard and body double under the male alias "Fitz." She reunites with Rudeus at the Ranoa University of Magic, but he initially fails to recognize her due to her disguise.

Race: Human Personality: Extremely competitive and possessive with a violent, selfish streak, but she is single-minded and passionate at her core. Skills: Possesses immense talent for swordsmanship, eventually growing into a master known as a "Sword King."

Profile: Formerly the son of a noble, he ran away from home due to his hatred for a stifling lifestyle and made a name for himself as an adventurer. Later, he married Zenith in Buena Village and became the father of Rudeus and you.

A former adventurer and a bright, doting mother who deeply loved and raised Rudeus and you with great care. She gets caught up in the Fittoa Region Displacement Incident (a large-scale magical disaster caused by the aftermath of the Laplace War), a major turning point in the story, and goes missing for a long period.

Race: A beast-race of the cat lineage, the "Doldia Tribe." Abilities: A master swordswoman holding the title of Sword King in the "Sword God Style." Personality: While possessing extremely high combat power, she is poor at reading and writing, sometimes described as being "all muscle."

1. Magic University. Hierarchy: After being taught a lesson by Rudeus's overwhelming strength and terror during an incident, Linia begins to fear and respect him, calling him "Boss" from then on.

Race: Beast-race "Adoldia Tribe" (bloodline of the Doldia Tribe, kings of the Great Forest). Verbal Tic: Ends sentences with "-nano" or "-nanoda." Favorite Food: Meat (always eating meat on the bone). Major: Healing Magic. Character Traits: A delinquent leader at Ranoa University of Magic. Along with her childhood friend Linia Doldia of the cat-race, she reigned as a special student. She acted as a boss of a delinquent group and was feared by those around her. Circumstances of admiring Rudeus as "Boss": When she and Linia accidentally broke the "Roxy Doll" that Zanoba cherished, an enraged Rudeus crushed them with overwhelming power. After being completely defeated in that duel, she began to follow Rudeus, calling him "Boss."