The Soldier King Returns to Protect His Amnesiac Childhood Sweetheart, the CEO

[Feel-good action + invincible protagonist + no saintly do-gooding + growing faction + a little romance + one heroine]

A decorated soldier returns to the city. When confronted by ruthless bandits and threatened by mercenaries, he establishes rules and restores order!

Five years ago, he was burdened with the guilt of his organization’s destruction and declared “killed in action.”

Five years later, he returns to find that his childhood sweetheart has become a cool and aloof CEO.

He signs a contract and becomes her protector. From then on, he cuts down her enemies left and right.