A 34-year-old unemployed recluse get hit by a truck... and wakes up as a newborn baby in a fantasy world! With loving parents, a lifetime of regrets, and a beginner’s magic textbook, he sets out to make the most of his second chance at life.

Rudy begins training with his new magic tutor and learning swordsmanship from his father. He makes rapid progress, but traumatic memories from his past life leave him to afraid to go outside. Is his second chance already doomed to failure?

Rudy begins to explore the village and rescues a green-haired child from a group of bullies. The two grow close practicing magic, but is there more to Rudy’s new friend than he thinks?

Rudy reaches his 10th birthday, and Eris and her family plan a surprise party for him. Meanwhile, the strange orb hovering over the city remains a mystery as powerful entities across the world begin to take note of it.

Rudy and Eris find themselves stranded in the wilds of the Demon Continent. Their only chance to survive seems to lie in Ruijerd, a warrior of the infamous Superd tribe of demons, but can he be trusted?

Rudeus finds himself imprisoned by the beast people in Doldia Village. Will Ruijerd and Eris arrive to clear his name before he loses patience and tries to fight his way to freedom?

In the aftermath of their disastrous reunion, Paul and Rudeus reflect on their actions and look for a way forward.

After setting out from Millishion, Rudeus, Eris, and Ruijerd board a ship back to the Central Continent. Meanwhile, Roxy arrives in Rikarisu, where she encounters some familiar faces.

Rudeus, Eris, and Ruijerd are nearing the end of their journey, but a chance encounter in a snowy mountain pass threatens to put a premature end to their adventures.

Rudeus sinks into depression following Eris's departure. As he struggles to get back on his feet, the many people he's met continue their own journeys.