Looking like SE is developing/producing another title. Before people get too excited, bear in mind this trademark was only filed in Japan and we all know how Square likes those browser/ GREE games.
http://www.siliconera.com/2012/12/25/is-soul-suspect-a-murder-mystery-game-from-square-enix/
http://www.siliconera.com/2012/12/25/is-soul-suspect-a-murder-mystery-game-from-square-enix/