川津郁夫恍然的说道。
“所以她回来之后才会态度大变！”
户田玛丽亚对此大为惊讶的说道： “可是他还真厉害，竟然能在那种时候马上想到这个诡计！”
“不，这个计谋原先是为另一个人准备的。
对凶手而言，最幸运的就是大木绫子小姐跟那个人一样有随身带着打火机的习惯！
没错，车库里的陷阱应该从一开始就是为藤泽先生设计的！”
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