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Ordinary adventurer Wolf is entrusted with a baby by a mysterious woman.

Wolf, who took the baby in as his own daughter, retired from adventuring and lived a leisurely life.

Fifteen years later, his daddy-loving daughter, Reminia, having grown up to become the strongest Hero, is to serve at the royal palace.

Worried about her father living apart, the overprotective daughter secretly enhances Wolf, boosting his physical attack, physical defense, magical defense, agility, and self-regeneration all to MAX, transforming him into an invincible adventurer.

Wolf, completely unaware of this, reluctantly slays a dragon due to circumstances, is then offered an officer's position by a Grand Duke, and has his power acknowledged even by the Great Sage.

Unbeknownst to them, the name of Wolf, the ordinary adventurer from the frontier, gradually spreads across the world.

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※ Previous title: 『The Ordinary Old Man Enhanced by His Daughter, Who Became the Strongest Hero, Becomes an Invincible Adventurer and Walks a Legend.』