Hooligan’s Fantasy

The protagonist is insulted as a thug during a blind date. Furious, he throws himself into improving his lot and eventually becomes a tycoon.

The Matriarch of an abyssal undersea civilization awakens and sends male and female particle-bodied agents to infiltrate the mainland and search for the treasures of the First Ancient Civilization.

The protagonist must first fit into human society, using humanity's strength to quarry stone and excavate the ruins of the ancient civilization, then help the Matriarch upgrade.