The cover of the January 2016 issue of Shueisha’s Jump SQ magazine was previewed on the bottom-left corner of Weekly Shonen Jump. A close-up of the cover revealed that Twin Star Exorcists (Sōsei no Onmyōji) would be receiving an anime adaptation. The actual reveal for the anime adaptation is set to occur on December 4 so no other information on the adaptation is known right now. You can check out the cover of the Weekly Shonen Jump magazine as well as the close-up of the magazine below.
— オタコム (@otakomu) November 19, 2015
The announcement for Twin Star Exorcists anime adaptation was teased in the December 2015 issue of Jump SQ. You can check out the teaser from that particular issue below.
The Twin Star Exorcists manga is written by Yoshiaki Sukeno and was first published by Shueisha in their Jump SQ magazine in November 2013. It currently has 6 volumes published and is licensed for release in North America by Viz Media. Viz Media describes the story for the first volume:
Rokuro dreams of becoming anything but an exorcist! Then mysterious Benio turns up. The pair are dubbed the “Twin Star Exorcists” and learn they are fated to marry…
Can Rokuro escape both fates?
When Rokuro’s best friend Ryogo goes missing, Rokuro is forced to ask Benio for help to enter Magano, the realm of the evil Kegare, to rescue him!
More information for the adaptation will release on December 4.