Leo, hailed as the mightiest hero for vanquishing the Demon Lord, finds himself shunned in the calm human realm due to his overwhelming strength. Cast out, he ventures to the very kingdom he once conquered, now in ruins, to offer his skills in restoration. Grappling with myriad issues like scarce resources and ailing infrastructure, Leo begins transforming the once-devastated domain with his unparalleled abilities and wisdom. Upon a fateful reunion with Echidna, the enigmatic figure behind the demon invasion, a surprising revelation unfolds, unraveling a tale of unforeseen twists and turns!