You Are a Pretty Good Player.

The CO Group is an existence protected by all nobles. In 2095, mankind has entered a period of total madness. The CO Group pays for their lives to provide fun and earn more benefits for the nobles. Most of the people selected by the CO are extremely vicious people, but there are also people who cannot survive and voluntarily sacrifice their lives. These people are collectively called players. The newcomer area is responsible for training and screening new players of the group. Only those who have passed many experiences can enter the living area provided by the group, and only twenty people can enter the living area at a time.