In spite of enduring a life filled with bullying, rejection, and oppression, a reclusive 34-year-old embarks on a courageous act, only for it to end tragically. However, fate intervenes, and he awakens in an alternate world as Rudeus Greyrat, starting anew as an infant with loving parents.
Retaining the memories and knowledge of his previous life, Rudeus swiftly adapts to his unfamiliar surroundings. Possessing the mind of a mature adult, he demonstrates exceptional magical abilities that surpass all expectations, honing his skills under the guidance of the mage, Roxy Migurdia. Rudeus also learns the art of swordplay from his father, Paul, and forms a close friendship with Sylphiette, a girl of his own age.
As Rudeus embarks on his second chance at life, he strives to seize the opportunities that lie ahead while confronting the traumas of his past.