A fast-moving mystery set in post-quake Odaiba, Tokyo, revolving around a boy's origin and the disappearance of children.

In a shattered Tokyo, the mystery of a boy's birth starts to run.

A horse-racing mystery in which female jockey Natsumi investigates the truth behind a fall at Hanshin Racecourse.

A female jockey pursues the truth behind an incident that shakes the racing world.

A kidnapping mystery that begins with a man about to jump into Lake Hamana and a genius boy, then spirals into a massive ransom scheme.

A 10-billion-yen ransom changes the escape into something else entirely.