Strange Pictures

Sasaki, a member of the occult club, is told by his junior colleague Kurihara about the existence of a certain blog. The blog has many "pictures" drawn by "Yuki," the blogger's wife, along with an ominous message: "The crime you committed." A chilling story that unravels the mystery hidden in nine pictures! When the mystery is solved, all the incidents will be connected.

(Source: Futabasha, translated)