Weapon: Sword hidden in his walking stick
Role: Boss in mission 6.1 and 6.2
Pretending to be a masseuse, he lies his way into the bedroom of many unsuspecting women, and then uses his technique to immobilize them. He is also quite the swordsman and carries a hidden sword in his walking stick. Even though he has the same name as Nasu from Tenchu: Wrath of Heaven, they are different characters.
Written by Reimaru, Shiki and Selenia.