1girl blue_bow blue_bowtie blue_skirt blush bow bowtie brown_eyes brown_hair collarbone hair_between_eyes hair_ornament hairclip heart highres kutatsu_(kutatsu7) long_hair looking_at_viewer open_mouth original pleated_skirt ponytail sailor_collar school_uniform serafuku shirt short_sleeves skirt solo sweat sweatdrop upper_body white_sailor_collar white_shirt