Saikawa and Nishinosono return to the camp, putting off trying to find a solution to the case. But they can't stop thinking about it. They go back to the lab and investigate Dr. Shiki's rooms again, where they find a strange number that is a clue.
Saikawa-sensei...
...سايكاوا-سينسي
Professor Saikawa.
Saikawa-sensei.
Profesor Saikawa.
Monsieur Saikawa ?
Professor Saikawa...
Saikawa-sensei...