Also known as: S-Force乱破小夜丸
A Yu-Gi-Oh! Duel Monster. Chiyomaru is a Ninja and former member of the S-Force who protects the city from ne'er-do-wells and other criminals. She was tasked with tracking down I:P Masquerena, making them rivals in the S-Force Storyline.
She becomes S:P Little Knight after leaving the S-Force Organization due to a conflict with them over I:P Masquerena's treatment, which S-Force Nightchaser have taken over.
Chiyomaru has Black Hair with yellow highlights styled up in a Ponytail and Green Eyes. For her outfit, Chiyomaru wears a yellow-and-black colored futuristic ninja attire, with super long heeled boots and the "S-Force" crest on one of her robe sleeves.
Voiced by: Kohara Konomi (in Yu-Gi-Oh! Master Duel)