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.
Do you have a good reason for wanting to stay?
هل لديك سببٌ جيّد لرغبتك بالبقاء هنا؟
Hast du einen wirklich
 guten Grund zum Bleiben?
¿Tienes una buena razón para quedarte...
¿Tienes una buena razón para quedarte...
Pour quelle raison valable
veux-tu rester ici ?
Qual è la vera ragione per cui vuoi restare?
Qual é o real motivo pelo 
qual você quer ficar aqui?