1girl, black_skirt, black_thighhighs, blue_eyes, blush, border, bow, bowtie, buttons, chair, clenched_hand, cosplay, green_vest, hand_up, high_five, idolmaster, idolmaster_(classic), lielos, long_hair, long_sleeves, looking_at_viewer, office_chair, open_mouth, orange_background, orange_hair, orange_scrunchie, otonashi_kotori, otonashi_kotori_(cosplay), panties, pantyshot, pencil_skirt, sandals, scrunchie, shirt, sitting, skirt, smile, solo, swivel_chair, takatsuki_yayoi, thighhighs, twintails, underwear, vest, wavy_hair, white_border, white_footwear, white_panties, white_shirt, yellow_bow, yellow_bowtie