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.
I'll regret it the rest of my life!
!فسأندم على ذلك طوال حياتي
Das würde ich ewig bereuen!
on le regrettera à jamais !