One of Princess Peach's transformations in Princess Peach: Showtime!, where she becomes a ninja. In this form, she wears a black shirt with short sleeves, along with a pair of puffy black pants, complete with a black pantyhose, a pair of black socks, and red zouri. Her ponytail also gets higher, and she also wears a green scarf and black arm warmers.
This tag implicates princess_peach (learn more).