Reborn as a Barrier MasterKekkaishi e no Tensei; 結界師への転生; Reborn as a Barrier Master; Transmigration of Kekkaishi

By the time he opens 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. — From “Let’s Become a Novelist”, a new other world fantasy starts!