What on earth is it to play games in the ninja world

Uchiha Kei: "I'm a damn unlucky guy who has traveled through time to the ninja world. The system turns out to be a scam used to make games and train me to become a super game producer. What kind of human suffering!" ?" System: "After testing, this is the Earth of 2024. Please complete the production of the first game as soon as possible, host." Uchiha Kei: "All right, all right. You play like this, right?" Ok. Since I'm not having an easy time, then let the world feel the pain in Uchiha's way!" "Start the netherworld game for me!" " From then on, the ninja world gained an old thief, Uchiha, who created a game of the netherworld by writing the wheel eye to take revenge on the world.