Tenchu Z

The House of Gohda, where the Azuma Ninja Clan reside under the service of Lord Gohda, is on the brink of war with the neighboring country of Ogawara. As a new recruit in the Azuma Ninja Clan, the protagonist is sent to assassinate those who are assisting the country of Ogawara, including army generals and spies who have infiltrated the House of Gohda, as well as recover stolen items and rescue prisoners. (wikipedia.org)