Here is how I created the image
1. Uploaded a reference image of Shuuko's face
2. Used the following prompts

art depicting a young woman dressed as a gyaru with short dark purple hair and black eyes, expressionless, standing next to a vending machine, looking in the distance, hands in jacket pockets, buxom, black top, blue jeans jacket, miniskirt, fair skin, evening, wall, upper body, professional anime art, masterpiece. Facial features are based on the attached image, anime style, makoto shinkai style, clear image

Make the aspect ratio 4:3

Note the bolded, as chatgpt guardrails sometimes...act arbitrially.