Desert Island City God Level Reading System

Living on a deserted island, danger is reborn! What should I do if I don't know where the water source is? Don't be afraid, I have a reading system. What should I do if I don't have a lighter to start a fire? Don't be afraid, I have a system! There are wild beasts in the forest, what should I do? Don't be afraid, I have a system! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.