Mari from Love Live Sunshine

A young woman dressed in a cosplay costume, posing for the camera. She has blonde hair styled in an anime-inspired fashion and is wearing a white sailor-style top with a blue collar and gold buttons, paired with a black skirt featuring horizontal stripes of white and gray. Her outfit also includes white tights and black Mary Jane shoes. The woman's hands are raised to her face, adding a playful touch to the scene. In the background, several people can be seen walking around, some of whom are also dressed in cosplay attire. Overall, the image captures a lively and festive atmosphere, suggesting that it was taken at an anime or manga convention.