結界師への転生 [Kekkaishi e no Tensei]

A modern isekai fantasy from Gentosha, Kekkaishi e no Tensei (2019–present) reincarnates its protagonist into a world where the ancient art of barrier magic, or kekkai, is the primary defense against supernatural threats. Over its nine issues, the series explores the practical and ethical challenges of mastering this inherited power while navigating a society built around it. While the creative team has shifted, the manga stands out for its methodical world-building and focus on the craft of barrier creation, offering a grounded take on a familiar genre premise.