文案：
偽暴風雪之夜的故事，
可以猜猜看誰是最後的兇手...
1 The criminal must be someone mentioned in the early part of the story, but must not be anyone whose thoughts the reader has been allowed to follow.
罪犯必須是故事開始時出現過的人，但不得是讀者可以追蹤其思想的人。
2 All supernatural or preternatural agencies are ruled out as a matter of course.
偵探不能用超自然的或怪異的偵探方法
3 Not more than one secret room or passage is allowable.
犯罪現場不能有超過一個秘密房間或通道
主角：牧野夏，蘇雪遲，莫薇雅，莫芷雅，星沫，步非煙，步曲煙，樂小吟 ┃ 配角：佩蒂·瑪格夫人，海蒂 ┃ 其它：懸疑，偵探