الحلقة 9: لا يزال بطاقة عيد الحب المفقودة لـ Sachiko غير مُعثَر عليها رغم بحث Yumi

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During the Valentine's Day event, Sachiko's red card was never found, despite the fact Yumi searched the very spot that Sachiko had hidden it. (Source: Hulu)