wachiko,idolmaster,idolmaster million live!,idolmaster side-m,hakozaki serika,junior (idolmaster),kagura rei,10s,1boy,1girl,aged down,ahoge,backpack,bag,bandana,bandana around neck,bob cut,border collie,child,dog,dress,highres,kneeling,long hair,monochrome,pet,randoseru,short sleeves,simple background,trait connection,twintails,very long hair,white background
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