It is 1926, the first year of the Showa era. Kanoko, a girl who can hear lies, and impoverished but cunning detective Soma Iwai now face a murder on a solitary island. Meanwhile, Chiyo Fujishima, a big fan of detectives, has her own case to solve. This volume also includes a special short with a retro-modern back-alley tale of mystery!

Poverty-ridden detective Soma and his assistant Kanoko are on the run in the dead of night, and their destination? A house where a doll was murdered!

Soma and Kanoko get wrapped up in a fight between the waitress Lily and her partner, Kanji, and find themselves infiltrating a haunted house, chasing after the key to a murder case!

It is 1926, the first year of the Showa era. Urabe Kanoko has left her hometown after it turns against her for having the ability to hear lies when spoken. She collapses from hunger after arriving in a town called Tsukumoya, where she meets a poverty-stricken detective named Iwai Soma. Is this fate? Or something more?