성별 : 정보신청
생일 : 정보신청
키/몸무게 : 정보신청

Kojirou Sasaki (佐々木 小次郎)Musashi's famous rival, revived by Onimaru to defeat Yaiba. Kojirou makes several attempts to defeat Yaiba or at least steal the Raijin sword, but ultimately he ends up joining him against Onimaru. He fights using an extendable sword and is a notorious womanizer.