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1girl, absurdres, arms up, bikini, brown hair, collarbone, commentary request, crop top, hairband, hat, highres, idolmaster, idolmaster million live!, long hair, looking at viewer, midriff, navel, raidensan, red eyes, sailor bikini, sailor collar, sailor hat, sailor swimsuit (idolmaster), silver hairband, smile, solo, standing, stomach, swimsuit, tanaka kotoha