Occultic;Nine

is a Japanese light novel series written by Chiyomaru Shikura, the creator of Steins;Gate. A manga, illustrated by Ganjii, began serialization in October 2015.

An anime television series adaptation by A-1 Pictures began airing in October 2016.

Plot
The "paranormal science" story follows nine idiosyncratic individuals, linked by the "Chōjō Kagaku Kirikiri Basara" occult summary blog run by 17-year-old second-year high school student Yūta Gamon. Little incongruities that occur around these nine eventually lead to a larger, unimaginable event that may alter what is considered common sense in this world.

Official

 * Light Novel official website (Japanese)
 * Manga Official website
 * Anime Official Website (Japanese)

Other Sources

 * Occultic;Nine (Wikipedia)