A half-blood devil reborn across infinite worlds, Lynn gains access to an extraordinary system that enables him to establish his own devil familia empire. His unique powers allow him to evolve his recruits into formidable special devils while granting them a blessing-inspired upgrade system matching the legendary Blessings of DanMachi. Wielding Devil Summoning magic, Lynn can traverse worlds at will, assembling companions and expanding his influence. The story chronicles the meteoric rise of his peerage as they climb toward ultimate dominion.