Aragami is a stealth game in which you play as an undead assassin with the power to control the shadows. http://aragami-game.com

Play as Aragami, an undead assassin with supernatural abilities who is summoned back from the grave by a mysterious spirit named Yamiko. Between him and the answers to his fate lies the Kaiho – The army of Light – who guard Yamiko inside their heavily fortified citadel of Kyûryu.