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.
And does the fact that Dr. Magata's sister, Miki-san,
،وهل حقيقة قدوم ميكي-سان أخت الدكتورة ماغاتا
Hat es etwas zu bedeuten,
dass Miki,
¿Y cómo es posible que 
la hermana de la doctora,
¿Y cómo es posible que 
la hermana de la doctora,
Est-ce qu’il y a une raison au fait
Il fatto che la sorella minore della dottoressa
Será que o fato da irmã legítima
 e mais nova da Dra. Magata,