Surviving on a Desert Island, It Makes Sense to Be Rescued by the School Beauty at the Beginning, Right?

[Desert Island Survival + No System + School Beauty + Farming] Encountered a shipwreck and was rescued by the school beauty at the beginning. Lin Nan dragged three of them to survive on the deserted island. There is no system, relying on craftsmanship to make sea salt, filter fresh water, expand the camp, tame animals, grow food... Teach the quirky Ye Chuxia how to make sea salt; Teach the quiet and sweet Hu Jingyi to improve her fighting skills; Teach the mature and wise Wei Miaotong cooking tips. What? The rescue team is coming? Go! Tell them to turn around, we don't need rescue, we're doing fine.