Survive on a deserted island with beautiful girls

Ancient beasts, modern humans, future technology, time and space chaos of the desert island; Stone Age, Power Age, Electric Age, rapid development of the desert island civilization. Exile on an uninhabited desert island, opening a system, Qin Tian from zero to survive. The first thing you need to know is how to get the best out of your child.My Life With Beauties In The Desert Island