Underwater Wasteland: Lin Yu's Chronicle

When humanity's last refuge lies beneath the waves, survival demands more than courage. Lin Yu, a talented diver in the submerged ruins of civilization, discovers that the greatest threats aren't the crushing depths or dwindling resources—they're the power-hungry elites who control them. Alongside the mysterious He Yao, he must navigate deadly political conspiracies and brutal resource wars to save what remains of the human race from extinction in this drowned world.