Koei Tecmo has announced Toukiden: Mononofu (Toukiden: Slayer) for iOS and Android. The “hunting action” game will be free-to-play with item micro-transactions when it launches later this year in Japan.

Here’s an overview of the story:

Eight years ago. In the north, hordes of “Oni” flooded into the human world from the Oni Gate that opened. After the earth was scorched during the seven days and seven nights of this big disaster known as the Awakening, it had barely returned to normal thanks to the great efforts of the Slayers. —However, there was no one that knew. What happened to the abandoned north after the battle? While still surrounded by “Oni,” there was one village that fought to survive. The village’s name: Shinonome…

Visit the teaser website here.

Thanks, Games Talk.