Danbooru-based image board with a specialization in high-quality images.
baka_to_test_to_shoukanjuu himeji_mizuki jpeg_artifacts kinoshita_hideyoshi sakamoto_yuuji seifuku shimada_minami tsuchiya_kouta yoshii_akihisa

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^^; the original image is smaller than the sample~
That is because it is double jpeg compression when the original already contained significant jpeg_artifacts.