Series by Uuumi

After a fierce battle, the fearsome Demon King is defeated, only to be reborn as twelve adorable little demons. Byron, a brave hero, is tasked by God himself with a new mission: to raise these mischievous "Demon Brothers" into paragons of virtue for the sake of world peace. As Byron trades his sword for household chores, he embarks on the ultimate challenge—navigating the chaos of child-rearing with demons. Full of heartwarming moments, comedic mishaps, and the daily struggles of parenting,