System, System, I Am Invincible and Can Save the World

Darkness shrouds the entire world, and there are many monsters wandering in the darkness, constantly roaring, killing all living things. A ray of light appears in the darkness, which is a large city - Noah, carrying the hope of mankind. A special school in the city is the only way to fight against the darkness. The students inside are called light chasers, harvesting monsters outside the city, collecting alien energy bodies and exchanging equipment, props, and combat skills with the academy. The light in the city resists the invasion of darkness. What exactly is light? The villages outside the city are being slaughtered by monsters. How did the monsters appear? What exactly is the energy body called a system. Who will solve all the mysteries? Whether the city will fall, whether darkness will be eliminated, and where should mankind go? Whether Long Jin, a handsome young man known as a genius light chaser, is the key to saving the world, and whether the conspiracy surrounding the city can succeed. Long Jin had a dark face, "How many systems are there in this world? Am I really invincible if I am invincible? Why do I have to save the world?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.