A beautiful, atmospheric trailer (after the break) introduces us to the story of the new Shiren the Wanderer ... such as it is. Basically, Shiren's master, knowing that Shiren likes dungeons, gives him the key to the Karakuri Mansion, which is a big dungeon. There's more, like a cursed princess and some time travel stuff, but the essence is that Shiren goes into another dungeon. It's rather lucky for us that Shiren's wanderings are so often directed toward dungeons and dungeon-type environments.
Atlus also highlights Shiren's pal Koppa in the trailer, allowing us to hope that the company will choose to bundle the game with Sega's Koppa Wiimote stand.