Jukkakukan no Satsujin

The members of a particular university's Mystery Club travel to a ten-sided house on a remote island...which just happens to have been the scene of a gristly, and unsolved, mass murder. Armed with details of the murder and keys to the property, they set out to dig deeper...but can they trust the "facts" of the case? And moreover...can they trust each other?

(Source: Kodansha USA)

Jukkakukan no Satsujin was published digitally in English as The Decagon House Murders by Kodansha USA from August 17, 2021, to November 29, 2022. It was also released in Italian by Edizioni Star Comics from June 8, 2022, to March 8, 2023; and in Spanish by Distrito Manga from July 7, 2022, to March 30, 2023.