Island Survival: Besieged by the School Girl Group at the Beginning

[Island Survival] + [Only Male] + [Hand Rubbing Black Technology] + [Decisive Killing] + [Great Navigation] Billions of people around the world have been put on desert islands to survive. When Lu Yuan woke up, he found himself on a desert island surrounded by school beauties in cool clothes? Encountered moral kidnapping at the beginning? "Lu Yuan, you are a man, you should give us the water!" "Lu Yuan, go and lure away the wild beasts. It's your responsibility to protect us!" Faced with these little fairies who wanted him to work as free coolies, Lu Yuan just "fuck off" with his backhand and went solo with his childhood sweetheart! Awakening the Ex-level talent [Truth Construction]! As long as you have the materials, everything can be made by hand! While others were still worrying about drilling wood to make fire, Lu Yuan had already moved into a constant-temperature wooden house and had seafood barbecue. While others were still driving away wild beasts with wooden sticks, Lu Yuan had already rubbed his [compound crossbow] and killed him instantly with one arrow! When his sister and best friend were surrounded and desperate for death, Lu Yuan fell from the sky wearing [Stainless Steel Heavy Armor], like a god! Shen Wanqing: "Lu Yuan, I was wrong. Please let me enter the camp. I am willing to do anything!" Actor: "What do you mean his boat is made of steel? Is it the same style as our survival boats??" From surviving on a desert island to building an invincible [Steel Fleet]. He, Lu Yuan, is not a nanny, he is only the only king!