Synopsis

The first in a series of self-contained fully-fledged mystery stories adapted from short stories by popular authors.
 
On the day of a biennial reunion among mystery novelist Arisugawa Arisu’s high school classmates, one of the expected attendees is found murdered. The only clue: the victim wasn’t wearing a watch. From this single detail, clinical criminologist Himura Hideo uses razor-sharp, airtight logic to expose the killer. A premium mystery drama woven together with bittersweet memories from Arisu’s youth.