|Allegiance||Kikoukenjutsu Sword School|
|Team||Kikoukenjutsu Sword School|
|Previous Partner||Hattori Hanzō|
|Address||Kikoukenjutsu Sword School|
Sasaki Kojirō (笹木古寺楼 Bamboo Grass Tree, Old Temple Tower) is currently one of the elite teachers of the Kikoukenjutsu Sword School, and one of it's founders alongside the famed Musashi Miyamoto. Formerly a student under Hattori Hanzō along with his best friend. However, after his master's death, they founded the Sword School.