Super Appli announced the release of a new Dies irae smartphone game the Dies irae PANTHEON. The game will be based on the original 2007 released PC visual novel game (which later re-released on several platforms) and in 2017 fall comes the official TV Animation.
At the moment not so much information known about the game. A main visual like picture release but it is not clear if it will be another Visual Novel game or it will be an RPG game. The official teaser website already opened and Super Appli going to release more information later in this Spring.
Dies irae TV Anime URL: http://diesirae-anime.com/