When the bizarre mass suicide of 54 high school girls throwing themselves in front of a subway train appears to instigate a string of suicides around the country, Detective Kuroda strives to find the answer, which isn't as simple as he had hoped.

• Omega Project
• Masatoshi Nagase
• Ryo Ishibashi
• Sayako Hagiwara
• Mai Hosho
• Tamao Sato
• Takashi Nomura
• Akaji Maro
• Hideo Sako