As many readers guessed, the teaser site Arc System Works put up was for Bloodrayne. Arc System Works picked up the rights to publish Bloodrayne: Betrayal from WayForward and Majesco in Japan. The game will be called Bloodrayne: Crimson Traitor and it will only be released for PlayStation 3.
Arc System Works has been bringing over more Western developed games as digital releases. Double Dragon Neon, Bit.Trip Saga, and Nano Assault Neo are some of the other titles they helped bring to Japan.