第 13 集: 老師下令搜尋，Kurasawa 與 Kiko 尋找之際，Yin 逃跑了

13

Many years ago Yin, also called Kirsi, is playing the piano under the watch of her teacher, Eelis Kastinen. In the present, Yin has apparently run away. Kurasawa and Kiko are asked by Kastinen to look for Yin. (Source: Wikipedia)