Out of curiosity, the team attempts different methods to try and get Kei's memory to come back, but not a single one seems to work. However, the next day...
A f-five-yen coin? Seriously?
‫عـ-عملة معدنية من فئة الخمس ين؟ صدقًا؟
U-Una moneta da 5 yen? Seriamente?
U-Uma moeda de cinco ienes? Sério?
М-м-монеткой!.. Монеткой усыпляет!