You play as a strangely unnamed 18 years old guy who's facing horrific bullying both physically and mentally until one day he decides to end his misery by jumping from his school's rooftop.
But before he can accomplish his final action a strange girl by the name ''Zero'' shows up behind him. Zero offers him a special power. The power to read people's thoughts and in exchange, he must give a chunk of his remaining life span to her every time he uses it.
Watch as the strangely unnamed 18 years old decide to use Zero's power to take revenge on every person that ever wronged him.
Would he succeed in doing so before depleting his life?
What does await him at the end of this dark horrific tunnel?
Who is this strange ''CC'' girl and what does she want from him?