A twenty-year-old murder. A chain of unsolvable puzzles. A detective determined to unravel the dark secret. Osaka, 1973: The pawnbroker Kirihara is found murdered in an abandoned building. The unflappable detective Sasagaki takes on the case, which will define his life from that moment on. He quickly discovers that Ryo, the taciturn son of the victim, and Yukiho, the beautiful daughter of the main suspect, are entangled in the mystery surrounding the deceased. For nearly twenty years, Sasagaki desperately tries to solve the murder, ensnaring the perpetrator, the victim, and the police in its web. To the point of obsession, crossing all boundaries. "Devilishly clever" Publishers Weekly "'Under the Midnight Sun' is a complex, psychological novel about a crime and its aftermath - by one of the most widely read authors.".