A wash of blue paint and voila, we've got the Japanese box art for From Software's Wii-exclusive Tenchu 4.
The ninja adventure brings a touch of blood and a whole lot of stealth action to Nintendo's family console, complete with some cat waggling, Wii-remote slicing as well follow the story of Rikimaru and Ayame once more. The pair also grace the game's pretty neat-looking, but fairly standard box:

Western ninjas can hunt out a copy sometime in 2009.
Thanks to Dengenki.