Kuronou Syndrome

Kuronou Syndrome summary:

"If you want your body back won’t you participate in the mannequin game?" A high school student who was on the brink of death from a traffic accident, woke up to see a completely different person. He was told his mission through a speaker, the curtain rises with a life-risking game...!! If you let down your guard you will instantly die, it’s the ultimate survival suspense!!