Mankind trapped in an ocean survival game, I unlock a daily supply loot box system

A post-apocalyptic ocean survival system fantasy with constant satisfying payoffs! All humanity is trapped in an endless ocean, starting with nothing but a tiny wooden raft and forced to salvage supplies floating on the water. While everyone else panics from shortages of food and fresh water, the protagonist Lin Feng accidentally triggers a glitch and unlocks a mystery box system. He gets to open a mystery box every day, guaranteed to receive massive stockpiles of ingredients, fishing gear, and construction materials. Collecting full sets of boxes also unlocks blueprints for crafting. Whereas others scramble to evade sharks just to stay alive, Lin Feng draws swarms of tuna and heavy-duty fishing spears, then builds a super gunboat to rule the entire ocean. Lighthearted, humorous storytelling with nonstop thrilling highlights from start to finish!