After Being Driven Down the Mountain, I Became the King of Chasing the Sea

(Daily + sea-going knowledge + golden fingers + no system + single female protagonist + adventure treasure hunt + feelings of family and country) Running out of goods? Let me put my finger on it, "There must be something big under this stone!" No chance of fishing? Let me give you a little bit of the ancestral secret, "There are more fish than people!" Bored of diving in the sea? Let me teach you how to breathe, "I use sea water as air!"