Class Survival for All: Am I the Only Boy?

[National Survival + Only Boy + SSS Talent + Decisive Killing + Farming Construction + Invincible Flow] University classes from all over the world collectively travel to another world and start a cruel survival game. Every time the fog clears, monsters from all races attack the city! Other classes killed each other in order to grab a bit of food, and fought bloody battles for command. Lin Ji's sophomore class (7) in the Art Department has a completely different style of painting. There are 40 people in the class, 39 of them are pretty girls, and the only boy, Lin Ji, has become the only one in the class! Awaken the SSS-level talent at the beginning **[Analysis and modification of all things]**! [Rusty iron piece] + [Inferior gunpowder] = [High-explosive induction mine]! [Ordinary Painkiller] + [Zombie Crystal] = [Gene Evolution Potion]! [Old school bus] + [Anti-gravity engine] = [Sky Fortress·War Mothership]! While the boss of the physical education class next door was still leading the charge with wooden spears, Lin Ji was already sitting in the command room of the fully automatic mechanical city, drinking ice-cold Coke and watching the beautiful school beauties driving mechas to sweep away the beasts. The boss of the class next door collapsed: "Why are we all trying to survive and he is on vacation?!" Liu Ruyan: "Brother Lin Ji said that he wants to eat roasted whole lamb tonight, who is going to catch him?" Su Qingge: "Stop talking nonsense. In order to stay with Lin Ji, we must win this battle!" (Introduction is non-toxic, the interests of the protagonist come first, don't worry about eating!)