Dragon Fly (Kadokawa Bunko)

[Machine Translation] A bizarre corpse with its organs removed is found on the banks of the Tama River. A four-member special investigation team led by Lieutenant Kaburaki of the Metropolitan Police Department's Investigation Section 1 heads for a remote village in Gunma Prefecture, using a dragonfly necklace left at the scene as a clue. The victim is eventually identified as Yusuke, a young man from the village, and the murders of a married couple that took place 20 years earlier, a campaign against the construction of a dam, and a legend of a giant dragonfly, all of which are connected to the case, and the investigation becomes increasingly chaotic. The Kaburaki team interviews two of Yusuke's childhood friends, Izumi and Ken, to find out what happened...

多摩川の河川敷で臓器を抜き取られた猟奇死体が発見された。警視庁捜査第一課の警部補・鏑木率いる4人の特別捜査班は、現場に残されたトンボのネックレスを手掛かりに群馬県の奥地の村へ向かう。やがて被害者は村出身の青年・遊介と判明。20年前に起きた夫婦殺害、ダム建設反対運動、巨大トンボ伝説など、事件との関連が次々と明らかになり混迷を極めていく。鏑木班は遊介の幼馴染みである泉美と建のふたりに事情を聴くが...。