S-Rank Boukensha de Aru Ore no Musumetachi wa Juudo no Father-con Deshita

Kaiser achieved legendary status as a child prodigy, rising rapidly through the ranks to become the youngest A-rank adventurer in the realm. Yet, his life takes an unexpected and profound turn when a routine excursion leads him to the smoldering ruins of a destroyed village. Among the devastation, he discovers three helpless infant girls who are the tragedy's sole survivors. Faced with a pivotal moral choice, Kaiser abruptly abandons his glittering career as a mercenary to dedicate himself entirely to a noble new calling: fatherhood. Years pass, and the once-helpless infants blossom into vibrant, capable young women under Kaiser's watchful guidance. Far from ordinary children, each daughter inherits exceptional talents, developing extraordinary mastery in distinct fields that include precise swordsmanship, powerful arcane magic, and astute administrative management. Their radiant potential brings immense pride to their adoptive father, showcasing the remarkable fruits of his devotion and sacrifice. However, this idyllic household brings its own unique set of complications. As the trio matures into capable individuals, their admiration for Kaiser evolves into an intense, overwhelming affection. The girls harbor a profound, unabashed obsession with their beloved father, turning the peaceful family dynamic into a humorous and bustling daily struggle. Kaiser now finds himself navigating the formidable challenge of managing three exceptionally talented, fiercely devoted daughters whose affection for him borders on the extreme.