A lawyer-narrator confronts a mother-and-child murder case and a medical malpractice case while questioning the uneasy relationship between the courts and prosecutors in this courtroom mystery.

A lawyer-detective cuts through the collusion between law and prosecution.

A middle-school boy decides to sue his father in civil court after suspecting him of killing the family dog, pursuing the truth behind a family rupture.

A boy takes his own father to court.

Set in Kyoto's coffee shop Talleyran, this linked mystery follows barista Misa Kirima as she solves everyday mysteries with sharp observation.

A barista whose hobby is solving mysteries.

In a mountain village in Aomori, a voyeuristic detective with compulsive peeking tendencies tackles a series of murders at the snowbound Kagome-so inn.

A detective who cannot help but peek.

A psycho-suspense novel about a serial killer called 'Mori no Kuma-san' who publicly targets villains exposed on the internet.

A killer arrives while singing a nursery rhyme.

A school mystery in which a school nurse and an art teacher investigate the culprit behind a grotesque murder painting displayed in a high school hallway.

Leave the school case to the nurse.