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BGM:https://www.youtube.com/watch?v=IbUuaO7yIyI
和田光司的Butterfly
BGM: youtube.com/watch?v=RMFVuCURZIs&t=51s (原唱)
BGM: youtube.com/watch?v=igbl2c7O82w (女聲版)
我個人覺得女聲版比較好聽。