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The default costume of Nijisanji EN's Petra Gurin, as seen in post #4647550.
Her default school uniform costume comprises a multicolored white and black hoodie over a all-white serafuku with a yellow neckerchief around her neck. She has a bird tail and wears a pair of white loose socks and black sneakers. She also wears an arm belt over each of her sleeve.
This tag implicates petra_gurin (learn more).
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