In the Dark Age, Get the Overlord Color at the Beginning

The protagonist wakes up and finds himself transported to another world. In this world, every boy who reaches the age of fifteen can enter the dark world to explore. In the dark world, there are countless opportunities and dangers. Everyone lives cautiously. Lifespan and strength attract every life, turning them into gamblers. The moment you enter the dark world. The system wakes up. "Ding, congratulations to the host for getting the domineering color." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.