Ranko Kanzaki, Cinderella Girls, Idolmaster

A young woman dressed in a cosplay costume, likely inspired by Ranko Kanzaki from Cinderella Girls and Idolmaster. She is standing in front of a white wall with a metal railing, posing for the camera. Her outfit consists of a black dress with white trim and red accents, complemented by purple accessories such as a choker necklace and wrist cuffs. The woman's hair is styled in two ponytails with bangs, and she wears red lipstick and blush on her cheeks. She has a confident expression on her face, with one hand raised to her cheek and the other resting on her hip. The overall atmosphere of the image suggests that it was taken at an anime or manga convention, where cosplayers often gather to showcase their costumes and meet fans.