High resolution, high quality, One girl, alone, gotoh futari, smile, Open your mouth, U-to uniform, Falling petals

(worst quality, low quality:1.45), blurry, monochrome, sketch, lineart, emphasis lines, (anime screencap:0.1), (interlocked fingers:1.315555), (mutant hands:1.455555), deformed body, bad anatomy, bad proportions, anatomical nonsense, what, signature