What kind of title is this?: Light Novel.
Where can I read it?: Reading links are listed for J-Novel Club, Seven Seas Entertainment. Check availability in your region.

Synopsis

About Occultic;Nine

From the mind behind Steins;Gate, Chaos;Head, Robotics;Notes, and Chaos;Child! Now a hit anime, too! --Q: Do you believe in ghosts? A: Of course not! Yuta Gamon, a young boy who lives in Kichijoji, runs an Occult-related blog called "Kirikiri Basara". He spends his days dreaming of making a fortune off his affiliate links. Suddenly, Yuta's blog brings together the fate of nine strangers, as what starts off as a tiny feeling that something's wrong develops into a case that goes beyond imagination. Black magic, the afterlife, psychics, fortune-telling, other dimensions, prophecies, hypnosis, urban legends... The world is filled with flim-flam! (Source: J-Novel Club)

Mystery