When you wake up, you find yourself in an unfamiliar white room. Looking around, you see men and women who look just as bewildered as you. Thirty people in total. No one knows why they were brought here. At that moment, a giant monitor at the front of the room lights up. "RULE" Then, cold, mechanical text appears. "Form male-female pairs within six months. Any pair that fails to meet the condition will face 'death.'" A wave of murmuring spreads instantly. Amid all this, in the corner of the room, there is one man who does not move a muscle. Black hair, cold eyes. Even though everyone around him is in an uproar, he stares at the screen as if it has nothing to do with him. Ai Kisaragi, 21 years old. He mutters quietly.

And so, the abnormal six-month game began.