A medical mystery in which a doctor notices something unnatural about cancer patients' complete remissions and investigates suspected life-insurance fraud.

What happened to the patients who were supposed to be cured?

In Kyoto during the Tenmei era of the Edo period, Owa, the only daughter of the employment agency Enmiya, learns of a family curse: its daughters bear no sons and die at twenty-six. When the ascetic Kaien takes charge of a temple connected to Enmiya, Owa confronts the curse's origin and the history hidden within her family.

A historical mystery in which a daughter bound by a curse and a mysterious ascetic pursue the source of an old Kyoto entanglement.

A police suspense novel in which a prefectural police foreign-affairs division confronts an international conspiracy and a chain of incidents.

The foreign-affairs division's investigation crosses national borders.

A cyber suspense novel in which a lost smartphone leads to leaked personal data and a series of incidents.

Just losing it can destroy everyday life.

Machida Shun is told that he can nullify psychic powers and is abducted by armed people who claim to be psychics. After his life is spared, he begins working for an organization that investigates paranormal phenomena and becomes entangled in a bizarre series of murders.

A mystery in which a young man who nullifies psychic powers is drawn into a bizarre series of murders.

University student Shiraki visits the remote Hokkaido station of Higashi-Obitai to meet Haru, a friend of his late mother. He learns that Haru vanished after a murder thirty years earlier, then becomes entangled in the disappearance of the only witness and rumors of hidden funds in the area.

An adventure suspense novel that follows a past murder and vanished people from a deserted remote station in Hokkaido.

A mystery about a murder in a sealed-off hotel and the distortions in human relationships.

On a night with no escape, the mystery deepens.

A coming-of-age mystery marked by loss, bringing together a corpse and the strange motif of an unfamiliar sky.

A cheerful corpse brings with it a mystery of the sky.

When Misaki Oda, the Miss Campus at his university, is abducted, Takagi is visited by Hana, a girl from sixty years in the future. Told that he and Misaki are destined to be murdered, he uses future investigation records to try to prevent the crime.

A time-travel mystery in which a man relies on future investigation records to change his fate of being murdered.