Kataoka Naotaro

One day, Kazuma Aomi, a 19-year-old recluse, suddenly dies due to a "mistake" in the heavens. Tired of living, Kazuma wants to die, and God wants to cover up his mistake. In the end, he is forced to be reincarnated halfway through his life with a full array of skills!　In a completely strange world, Kazuma's second life begins...!

By the time he opened his eyes, Kubota Tamotsu (34 years old) has been reincarnated into another world. Moreover, as a 6 years old slave with "Level 1 Barrier" skill. To surpass his limitations and become a powerful Barrier master Kubota begins a hellish training, full of obstacles and struggles.Original Web Novel Light Novel