masterpiece, best quality, newest, year 2025, chibi, upper body, solo, 1other, diamond \(houseki no kuni\), houseki no kuni, smile, short hair, multicolored hair, white hair, crystal hair, hair between eyes, multicolored eyes, colored eyelashes, gem uniform \(houseki no kuni\), black jacket, white shirt, collared shirt, black necktie, white background

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