Satsui No Amayadori (Shodensha Bunko)

[Machine Translation] It all began with a rain shelter. Ritsuko Narai, visiting Tono City in Iwate Prefecture on a solo trip, met three women at a hut she ran into to avoid the torrential rain. After the rain stopped, the four women continued their activities together and encountered a man who had been stabbed in the chest, but they left him for dead for fear of getting caught in the middle of it. The four, burdened with a common crime, confess their secrets one after another - that there is someone they want to kill. Eventually, one of them proposes an "exchange murder"...

すべては雨宿りから始まった。一人旅で岩手県遠野市を訪れた奈良井律子は、豪雨を避けて駆け込んだ小屋で、三人の女性と知り合った。雨がやんだ後も行動を共にした四人は、胸を刺された男に遭遇するが、巻き込まれるのを恐れて見殺しにしてしまう。共通の罪を背負った四人は、次々に自らの秘密―殺したい人間がいることを告白する。やがて一人が“交換殺人”を提案し...。