masterpiece, best quality, newest, year 2025, chibi, upper body, solo, 1girl, (agnes tachyon \(umamusume\):0.8), smile, short hair, brown hair, ahoge, hair between eyes, animal ears, single earring, red eyes, white coat, lab coat, open coat, yellow sweater vest, black shirt, collared shirt, short necktie, black necktie, white background

worst quality, low quality, blurry, jpeg artifacts, sepia, fewer digits, extra digits, bad hands, bad anatomy, watermark, 4koma