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.
Sensei!
!سينسي
Oh, Professor Saikawa!
¡Sensei!
¡Profesor!
Monsieur !
Professore!
Sensei!