Mari, Ruby, and Dia, School Uniform, Love Live Sunshine

The image features three women dressed in school uniforms, posing for a photo. The woman on the left has blonde hair and is wearing a white shirt with a red tie and a gray skirt. The woman in the middle has pink hair and is wearing a similar outfit to the first woman. The woman on the right has black hair and is also wearing a white shirt with a red tie and a gray skirt. All three women are wearing knee-high socks and black shoes. They appear to be cosplaying as characters from an anime or manga series, possibly