After awakening in a new realm, Kubota Tamotsu finds himself reborn as a 6-year-old slave with a unique 'Level 1 Barrier' ability. Determined to master this power and rise as a formidable Barrier specialist, Kubota embarks on a grueling journey of training, brimming with challenges and hardships. Follow his path towards mastery in 'Let's Become a Novelist,' a fresh tale of fantasy in another world.