Reborn Fisherman's 80s Windfall

Reborn in 1983, Zane Chen wakes as the fishing village's Problem Gambler and Ne'er-do-well. He starts by rescuing his niece and apprehending human traffickers, then pulls in an enormous catch that makes the village rich overnight. He overcomes obstacles, becoming the village's richest man in one year. But hidden in the shadows, a pair of malicious eyes has been watching him.