Kunoichi presents as a female ninja characterized by vibrant pink hair, typically arranged in twin ponytails secured by shuriken-shaped ornaments and featuring a small ahoge. Her physique is petite and short, yet defined with visible muscle tone, complemented by medium-sized breasts and striking purple or grey eyes. She consistently wears a distinctive white bikini top and bottom, each emblazoned with the kanji symbol for "Ninja".

Her core motivation centers on an avid collection of bikinis, specifically driving her to pursue the legendary bikini armor. This singular goal propels her actions, frequently leading to attempts to steal bikini armor from other characters like Valkyrie, Hunter, and Cleric. In pursuit of this objective and likely other endeavors, she utilizes ninja techniques, including the named "Ninja Art - Koi Shigure Technique" (忍法・恋時雨の術).