Briefly about Kuronou Syndrome manga:The peak of excitement! A survival manga that will make your heart race! 13 years old Kurono Kei, who after a traffic accident woke up as a patient in a secured ward. It’s come to show you a command to participate with his life-risking game...!! What happens when a boy has to risk his life just to play high-level games? With the death game as the goal, how far will they go...?