tark (318),umamusume,agnes tachyon (umamusume),1girl,:d,ahoge,black necktie,black pantyhose,black shirt,brown hair,chemical structure,collared shirt,earrings,empty eyes,highres,holding,holding test tube,horse girl,jewelry,lab coat,looking at viewer,messy hair,necktie,open mouth,pantyhose,red eyes,shirt,short hair,single earring,smile,sweater,sweater vest,test tube,upper body,yellow sweater
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