masterpiece, best quality, 1girl, heart, solo, sakurauchi riko, low twintails, curly hair, school uniform, white shirt, red sailor collar, brown cardigan, plaid skirt, red bowtie, brown skirt, dark red thighhighs, heart hair ornament, makitoshi0316, yao liao wang

(lowres:1.2), (worst quality:1.4), (low quality:1.4), (bad anatomy:1.4), bad hands, comic, multiple views, jpeg artifacts, patreon logo, patreon username, web address, signature, watermark, text, logo, artist name, censored, sketch, unfinished, motion lines, greyscale, monochrome, extra fingers, (interlocked fingers), loli, 3girls, threesome, freckles, shota