Desert Island Life with Girls

In an accident, Li Heng and a young girl were stranded on a desert island. No food, no fresh water, no signal. In this isolated world, survival is the only rule. Drilling wood to make fire, building wooden houses, hunting and fishing, reclaiming wasteland... Later, Li Heng discovered that more and more girls were living here, and each of them had "special skills." But one day an uninvited guest came... (Multiple heroines, no system)