Summer Memories: An Abnormal Happy Killer [夏の思い出 異・常・快・楽・殺・人・者]

OV version of the comic "Summer Memories" based on Naoki Yamamoto. Kawanaka (acted by Takuji Suzuki), who was arrested in another case, started talking about the murder school girls. Detective Kuroda is gradually at the mercy of Kawanaka's madness...