Owls' Castle

梟の城

Also known as Fukurou no shiro, Fukuro no shiro, Fukurō no shiro

As great military commander Nobunaga Oda consolidates his power across Japan, one of his actions is to wipe out a clan of assassins, killing every man, woman and child he found in the village. Years later, one survivor has hired a young, skilled assassin to avenge his friends and family. His mission: to sneak into the most heavily guarded castle in Japan, and eliminate the supreme ruler.