(also published in English as Under the Midnight Sun) is a mystery novel written by Keigo Higashino, first serialized in the monthly novel magazine Subaru from Shueisha from January 1997 to January 1999. The entire volume was published in August 1999 and became a bestseller. During the serialization, the novel was at first written as a series of short stories representing chronological snapshots of the overall plot line. Higashino modified its structure to make it a single coherent story before publishing it as a single volume. As of November 2005 the book had sold 550,000 copies. However, its sales quickly picked up after the first episode of the adapted TV series was aired. By January 2006 its sales had broken a million. Its sales exceeded 2 million in December 2010. The novel attracted adaptations, including a stage drama in 2005, a Japanese TV series in 2006, a Korean motion picture in 2009, and a Japanese motion picture in 2010. Novel summary The story begins in 1973, with the death of an Osakan pawnbroker, Yosuke Kirihara, under strange circumstances. The investigation, headed by officer Junzo Sasagaki, gradually uncovers Fumiyo Nishimoto, a mother struggling to make ends meet and one of his customers, and her boyfriend Tadao Terasaki, as prime suspects. However, the Osakan police are unable to definitely prove their involvement, and both are eventually found dead; Fumiyo dies in an accidental gas leak in her house, and Terasaki dies in a traffic accident. The story primarily concerns itself with the effects of this incident on two people: Ryoji Kirihara, the pawnbroker's son, and Yukiho Nishimoto, Fumiyo's daughter. The novel avoids directly revealing the two's thoughts to the reader, instead preferring to reveal information second-hand through the viewpoints of multiple other supporting characters whose lives intersect to form a complete picture of the story's events. Ryoji ends up growing into a moody, sullen and cynical youth who gets involved in a number of shady dealings, such as housewife prostitution rings, computer game bootlegging, hacking corporate programs, and wiretapping. He is shown to be resourceful and intelligent, easily manipulating people into doing what he wants. The novel strongly suggests that he commits multiple murders, including Isamu Matsuura, a former employee of his father's shop who he assists in a videogame bootlegging scheme. These murders force him to assume fake names and run from the police. Yukiho is adopted by a relative of