The Ouka Ninja Scrolls

Designed to select the successor to the Tokugawa family, a gruesome battle once promised a thousand-year reign to the winning clan. Amidst the bloodshed, betrothed lovers Oboro and Gennosuke were forced to take sides. Only ten years have passed and once again the clans of Kouga and Iga are poised to fight. But this time, a new generation stands at the forefront.