Prompt: special_week_\(umamusume\), natsufuku, pleated skirt, puffy short sleeves, white skirt, sailor collar, sailor shirt, tracen school uniform, masterpiece, highres, gamecg, horse tail, dynamic angle, explessionless, looking at viewer, (simple background:1.3), smile
Negative prompt:  (worst quality, low quality:1.4), from behind, shobufuku