Издания и произведения

Two weeks after the kubikiri incident, while eating lunch in the university cafeteria, he meets a girl named Mikoko Aoii, a friend he doesn't remember. She later invited him to her friend's birthday party for tomorrow, and with nothing better to do, he agrees. While buying birthday presents for tomorrow, he encounters the infamous serial killer of Kyoto, Hitoshiki Zerozaki...The next day, Ii-chan and Mikoko arrives at her friend's apartment and with three other people including the host, they started the party. However, the morning after, the host is found strangled to death.