Masterpiece, best quality, 1girl, solo, koshimizu sachiko, purple hair, short hair, hairclip, brown eyes, yellow ribbon, serafuku, brown school uniform, long red skirt, frilly skirt, cowboy_shot, leaning on a balcony railing, railing, looking at city scape, sky, clouds, slight smile, raised eyebrow,

patreon logo, bad quality, worst quality, worst detail, sketch, censor, censored, watermark, signature, blurry, plain simple background,