★ The latest work by million-copy bestselling mystery author Tokuya Higashigawa! Creating a delightful world of light mystery! Higashigawa previously won Japan's 8th Bookstore Award with “The Deduction is After Dinner,” which was adapted into a famous TV drama!
★ A human and a horse form an extraordinary partnership, solving a series of bizarre mysteries closely related to the equestrian world in a picturesque rural town!
★ Five episodic mysteries featuring unique horse-related elements like “The Murdered Horse's Ear” and “Horse Racing Lottery,” offering a distinctive new “equine mystery” experience!

Detective, suspects, tricks, motives... behind every case lies the shadow of “horses”!
A murder occurs at a rural equestrian club. The suspect turns out to be a horse named “Rock.”
When ranch girl Yoko (nicknamed Horse Rider) struggles to accept that Rock could be the real culprit, her retired racehorse Louis suddenly starts speaking and begins deducing the case.
Bizarre incidents keep occurring in the peaceful countryside, met by the partnership of a retired racehorse and a high school girl, challenging a series of mysteries together.

Tokuya Higashigawa

Born in 1968 in Onomichi City, Hiroshima Prefecture, Japan. Graduated from Okayama University Faculty of Law. Japanese mystery writer known for his humorous style and locked-room mysteries. His representative work “The Deduction is After Dinner” won the 2011 Japan Bookstore Award and topped the annual bestseller list.
After resigning from a glassware company at age 26, Higashigawa spent eight years working part-time jobs while writing. He debuted in 2002 with “Lending You the Key to the Locked Room.” “The Deduction is After Dinner,” published in 2010, sold over 1.8 million copies within six months and was later adapted into a TV drama starring Sho Sakurai and Keiko Kitagawa. Multiple novels from his Suruga River City series and Koi Pool Academy Detective Club series have been adapted for film and television.

The Case of the Murdered Horse's Ear
A Thousand-Mile Journey Ends with a Lottery
The Mane is the Horse's Life
The Mountain Trembles, a Horse Leaps Out
A Thousand-Mile Journey Ends with a Thief