An Edo-period mystery in which Kaede Sakakibara, a high-ranking samurai daughter newly returned from Osaka, faces incidents involving a children's song and ghostly fire. Her unruly energy links period drama with light-novel pace.

A spirited samurai girl plunges into the mystery of ghostly fires troubling Edo.

A young-adult mystery in which girls in California encounter a teacher's death and approach the truth behind serial murders of mathematicians. The bond between the two girls and the mystery of the death card drive the story.

Two girls try to solve the equation behind serial murders of mathematicians.

A youth mystery about a high-school boy with clairvoyant powers who takes jobs through an illegal search-for-things website and is drawn toward the mystery behind his own ability. The first volume in the Fujimi Mystery Bunko series emphasizes both supernatural adventure and the boy’s awakening.

A boy who earns his living through clairvoyance receives a request that leads back to the mystery of his own power.