Koei Tecmo Games made a huge price cut on the digital version Arslan Senki x Musou in Japan. You can get the game with 50% OFF from the Japan PSN and the campaign includes the PlayStation 4 and the PlayStation 3 version of the game.
This title released in 2015 November in Japan only on PlayStation platforms and later in North America and Europe on Xbox One too as Arslan: The Warriors of Legend. The engine is the same as the other Musou games but the story based on the TV Anime Arslan and you can play with the characters from the anime also.
The original price of the digital version game is 7302 Yen and now, until August 22, 2016 you can get it for 3651 Yen (with tax). The special price available only in Japan and only for the digital version game!