I Hold the Blueprints for a Seawater Desalinator While Others Die of Thirst — Ocean Survival Begins!

What the story is about

After everyone on Earth is transported into a perilous ocean survival game, Xu Ning relies on a hidden talent that makes his hook never miss to gather supplies, hunt sea creatures, and build up his boat. His knack for spotting opportunities helps him get ahead, but increasingly dangerous monsters and harsh conditions threaten his survival.